1. LevyAD, MurakataLA, AbbottRM, et al.From the archives of the AFIP. Benign tumors and tumorlike lesions of the gallbladder and extrahepatic bile ducts: radiologic‐pathologic correlation. Armed Forces Institute of Pathology. Radiographics2002;22:387. CrossRef

2. KeechMK. Cystadenomata of the pancreas and intrahepatic bile ducts. Gastroenterology1951;19:568.

3. IshakKG, WillisGW, CumminsSD, et al.Biliary cystadenoma and cystadenocarcinoma: report of 14 cases and review of the literature. Cancer1977;39:322. CrossRef

4. NeumannRD, LiVolsiVA, RosenthalNS, et al.Adenocarcinoma in biliary papillomatosis. Gastroenterology1976;70:779.

5. HelpapB. Malignant papillomatosis of the intrahepatic bile ducts. Acta Hepatogastroenterol (Stuttg)1977;24:419.

6. AssorD. Granular cell myoblastoma involving the common bile duct. Am J Surg1979;137:673. CrossRef

7. MansteinME, McBreartyFX, PellechiaPE, et al.Granular cell tumor of the common bile duct. Dig Dis Sci1981;26:938. CrossRef

8. ChristensenAH, IshakKG. Benign tumors and pseudotumors of the gallbladder. Report of 180 cases. Arch Pathol1970;90:423.

9. OotaniT, ShiraiY, TsukadaK, et al.Relationship between gallbladder carcinoma and the segmental type of adenomyomatosis of the gallbladder. Cancer1992;69:2647. CrossRef

10. RosPR, GoodmanZD. Xanthogranulomatous cholecystitis versus gallbladder carcinoma. Radiology1997;203:10. CrossRef

11. PatelT. Cholangiocarcinoma–controversies and challenges. Nat Rev Gastroenterol Hepatol2011;8:189. CrossRef

12. RazumilavaN, GoresGJ. Classification, diagnosis, and management of cholangiocarcinoma. Clin Gastroenterol Hepatol2013;11:13. CrossRef

13. DeOliveiraML, CunninghamSC, CameronJL, et al.Cholangiocarcinoma: thirty‐one‐year experience with 564 patients at a single institution. Ann Surg2007;245:755. CrossRef

14. ShinHR, OhJK, MasuyerE, et al.Epidemiology of cholangiocarcinoma: an update focusing on risk factors. Cancer Sci2010;101:579. CrossRef

15. BroomeU, OlssonR, LoofL, et al.Natural history and prognostic factors in 305 Swedish patients with primary sclerosing cholangitis. Gut1996;38:610. CrossRef

16. RitchieJK, AllanRN, MacartneyJ, et al.Biliary tract carcinoma associated with ulcerative colitis. Q J Med1974;43:263.

17. RossAP, BraaschJW. Ulcerative colitis and carcinoma of the proximal bile ducts. Gut1973;14:94. CrossRef

18. RazumilavaN, GoresGJ, LindorKD. Cancer surveillance in patients with primary sclerosing cholangitis. Hepatology2011;54:1842. CrossRef

19. OnoJ, SakodaK, AkitaH. Surgical aspect ot cystic dilatation of the bile duct. An anomalous junction of the pancreaticobiliary tract in adults. Ann Surg1982;195:203. CrossRef

20. FlaniganDP. Biliary carcinoma associated with biliary cysts. Cancer1977;40:880. CrossRef

21. JanYY, ChenMF, WangCS, et al.Surgical treatment of hepatolithiasis: long‐term results. Surgery1996;120:509. CrossRef

22. BrandiG, Di GirolamoS, FarioliA, et al.Asbestos: a hidden player behind the cholangiocarcinoma increase? Findings from a case‐control analysis. Cancer Causes Control2013;24:91. CrossRef

23. KumagaiS, KurumataniN, ArimotoA, et al.Cholangiocarcinoma among offset colour proof‐printing workers exposed to 1,2‐dichloropropane and/or dichloromethane. Occup Environ Med2013;70:508. CrossRef

24. PalmerWC, PatelT. Are common factors involved in the pathogenesis of primary liver cancers? A meta‐analysis of risk factors for intrahepatic cholangiocarcinoma. J Hepatol2012;57:69. CrossRef

25. BraconiC, PatelT. Cholangiocarcinoma: new insights into disease pathogenesis and biology. Infect Dis Clin North Am2010;24:871. CrossRef

26. SiaD, TovarV, MoeiniA, et al.Intrahepatic cholangiocarcinoma: pathogenesis and rationale for molecular therapies. Oncogene2013;32:4861. CrossRef

27. SiaD, HoshidaY, VillanuevaA, et al.Integrative molecular analysis of intrahepatic cholangiocarcinoma reveals 2 classes that have different outcomes. Gastroenterology2013;144:829. CrossRef

28. ShimadaH, NiimotoS, MatsubaA, et al.The infiltration of bile duct carcinoma along the bile duct wall. Int Surg1988;73:87.

29. PatelT. Increasing incidence and mortality of primary intrahepatic cholangiocarcinoma in the United States. Hepatology2001;33:1353. CrossRef

30. KhanSA, EmadossadatyS, LadepNG, et al.Rising trends in cholangiocarcinoma: is the ICD classification system misleading us?J Hepatol2012;56:848. CrossRef

31. ShinHR, OhJK, MasuyerE, et al.Comparison of incidence of intrahepatic and extrahepatic cholangiocarcinoma–focus on East and South‐Eastern Asia. Asian Pac J Cancer Prev2010;11:1159.

32. CapizziPJ, RosenCB, NagorneyDM. Intermittent jaundice by tumor emboli from intrahepatic cholangiocarcinoma. Gastroenterology1992;103:1669.

33. ChoiBI, HanJK, ShinYM, et al.Peripheral cholangiocarcinoma: comparison of MRI with CT. Abdom Imaging1995;20:357. CrossRef

34. SoyerP, BluemkeDA, HrubanRH, et al.Intrahepatic cholangiocarcinoma: findings on spiral CT during arterial portography. Eur J Radiol1994;19:37. CrossRef

35. SoyerP, BluemkeDA, SibertA, et al.MR imaging of intrahepatic cholangiocarcinoma. Abdom Imaging1995;20:126. CrossRef

36. GautierAL, VilgrainV, FlejouJF, et al.[Imaging of peripheral cholangiocarcinoma. Comparison with pathological anatomy]. Gastroenterol Clin Biol1996;20:139.

37. KhanSA, DavidsonBR, GoldinR, et al.Guidelines for the diagnosis and treatment of cholangiocarcinoma: consensus document. Gut2002;51(Suppl 6):VI1. CrossRef

38. KhanSA, DavidsonBR, GoldinRD, et al.Guidelines for the diagnosis and treatment of cholangiocarcinoma: an update. Gut2012;61:1657. CrossRef

39. ValleJ, WasanH, PalmerDH, et al.Cisplatin plus gemcitabine versus gemcitabine for biliary tract cancer. N Engl J Med2010;362:1273. CrossRef

40. BlumgartLH, StainSC. Surgical treatment of cholangiocarcinoma. Cancer Treat Res1994;69:75. CrossRef

41. MasselliG, GualdiG. Hilar cholangiocarcinoma: MRI/MRCP in staging and treatment planning. Abdom Imaging2008;33:444. CrossRef

42. LeeMG, ParkKB, ShinYM, et al.Preoperative evaluation of hilar cholangiocarcinoma with contrast‐enhanced three‐dimensional fast imaging with steady‐state precession magnetic resonance angiography: comparison with intraarterial digital subtraction angiography. World J Surg2003;27:278. CrossRef

43. ChenYK, ParsiMA, BinmoellerKF, et al.Single‐operator cholangioscopy in patients requiring evaluation of bile duct disease or therapy of biliary stones (with videos). Gastrointest Endosc2011;74:805. CrossRef

44. FukudaY, TsuyuguchiT, SakaiY, et al.Diagnostic utility of peroral cholangioscopy for various bile‐duct lesions. Gastrointest Endosc2005;62:374. CrossRef

45. ShahRJ, LangerDA, AntillonMR, et al.Cholangioscopy and cholangioscopic forceps biopsy in patients with indeterminate pancreaticobiliary pathology. Clin Gastroenterol Hepatol2006;4:219. CrossRef

46. ItoiT, OsanaiM, IgarashiY, et al.Diagnostic peroral video cholangioscopy is an accurate diagnostic tool for patients with bile duct lesions. Clin Gastroenterol Hepatol2010;8:934. CrossRef

47. MeiningA, ChenYK, PleskowD, et al.Direct visualization of indeterminate pancreaticobiliary strictures with probe‐based confocal laser endomicroscopy: a multicenter experience. Gastrointest Endosc2011;74:961. CrossRef

48. VerbeekPC, van LeeuwenDJ, de WitLT, et al.Benign fibrosing disease at the hepatic confluence mimicking Klatskin tumors. Surgery1992;112:866.

49. JuntermannsB, KaiserGM, ReisH, et al.Klatskin‐mimicking lesions: still a diagnostical and therapeutical dilemma?Hepatogastroenterology2011;58:265.

50. WetterLA, RingEJ, PellegriniCA, et al.Differential diagnosis of sclerosing cholangiocarcinomas of the common hepatic duct (Klatskin tumors). Am J Surg1991;161:57. CrossRef

51. de BellisM, ShermanS, FogelEL, et al.Tissue sampling at ERCP in suspected malignant biliary strictures (Part 2). Gastrointest Endosc2002;56:720. CrossRef

52. De BellisM, ShermanS, FogelEL, et al.Tissue sampling at ERCP in suspected malignant biliary strictures (Part 1). Gastrointest Endosc2002;56:552. CrossRef

53. FogelEL, deBellisM, McHenryL, et al.Effectiveness of a new long cytology brush in the evaluation of malignant biliary obstruction: a prospective study. Gastrointest Endosc2006;63:71. CrossRef

54. FerrariAPJr, LichtensteinDR, SlivkaA, et al.Brush cytology during ERCP for the diagnosis of biliary and pancreatic malignancies. Gastrointest Endosc1994;40:140. CrossRef

55. PaulA, KaiserGM, MolmentiEP, et al.Klatskin tumors and the accuracy of the Bismuth‐Corlette classification. Am Surg2011;77:1695.

56. DeoliveiraML, SchulickRD, NimuraY, et al.New staging system and a registry for perihilar cholangiocarcinoma. Hepatology2011;53:1363. CrossRef

57. NeumaierCE, BertolottoM, PerroneR, et al.Staging of hilar cholangiocarcinoma with ultrasound. J Clin Ultrasound1995;23:173. CrossRef

58. Darwish MuradS, KimWR, HarnoisDM, et al.Efficacy of neoadjuvant chemoradiation, followed by liver transplantation, for perihilar cholangiocarcinoma at 12 US centers. Gastroenterology2012;143:88. CrossRef

59. Darwish MuradS, HeimbachJK, GoresGJ, et al.Excellent quality of life after liver transplantation for patients with perihilar cholangiocarcinoma who have undergone neoadjuvant chemoradiation. Liver Transpl2013;19:521. CrossRef

60. CalleryMP, StrasbergSM, DohertyGM, et al.Staging laparoscopy with laparoscopic ultrasonography: optimizing resectability in hepatobiliary and pancreatic malignancy. J Am Coll Surg1997;185:33. CrossRef

61. BengmarkS, EkbergH, EvanderA, et al.Major liver resection for hilar cholangiocarcinoma. Ann Surg1988;207:120. CrossRef

62. WashburnWK, LewisWD, JenkinsRL. Aggressive surgical resection for cholangiocarcinoma. Arch Surg1995;130:270. CrossRef

63. JarnaginWR, FongY, DeMatteoRP, et al.Staging, resectability, and outcome in 225 patients with hilar cholangiocarcinoma. Ann Surg2001;234:507. CrossRef

64. PinsonCW, RossiRL. Extended right hepatic lobectomy, left hepatic lobectomy, and skeletonization resection for proximal bile duct cancer. World J Surg1988;12:52. CrossRef

65. IwasakiY, OkamuraT, OzakiA, et al.Surgical treatment for carcinoma at the confluence of the major hepatic ducts. Surg Gynecol Obstet1986;162:457.

66. SuCH, TsaySH, WuCC, et al.Factors influencing postoperative morbidity, mortality, and survival after resection for hilar cholangiocarcinoma. Ann Surg1996;223:384. CrossRef

67. NagorneyDM, DonohueJH, FarnellMB, et al.Outcomes after curative resections of cholangiocarcinoma. Arch Surg1993;128:871. CrossRef

68. NakeebA, PittHA, SohnTA, et al.Cholangiocarcinoma. A spectrum of intrahepatic, perihilar, and distal tumors. Ann Surg1996;224:463. CrossRef

69. HochwaldSN, BurkeEC, JarnaginWR, et al.Association of preoperative biliary stenting with increased postoperative infectious complications in proximal cholangiocarcinoma. Arch Surg1999;134:261. CrossRef

70. SakataJ, ShiraiY, WakaiT, et al.Catheter tract implantation metastases associated with percutaneous biliary drainage for extrahepatic cholangiocarcinoma. World J Gastroenterol2005;11:7024. CrossRef

71. FerreroA, Lo TesoriereR, ViganoL, et al.Preoperative biliary drainage increases infectious complications after hepatectomy for proximal bile duct tumor obstruction. World J Surg2009;33:318. CrossRef

72. LiuF, LiY, WeiY, et al.Preoperative biliary drainage before resection for hilar cholangiocarcinoma: whether or not? A systematic review. Dig Dis Sci2011;56:663. CrossRef

73. HiiMW, GibsonRN, SpeerAG, et al.Role of radiology in the treatment of malignant hilar biliary strictures 2: 10 years of single‐institution experience with percutaneous treatment. Australas Radiol2003;47:393. CrossRef

74. WitzigmannH, LangH, LauerH. Guidelines for palliative surgery of cholangiocarcinoma. HPB (Oxford)2008;10:154. CrossRef

75. ZhangBH, ChengQB, LuoXJ, et al.Surgical therapy for hiliar cholangiocarcinoma: analysis of 198 cases. Hepatobiliary Pancreat Dis Int2006;5:278.

76. OrtnerME, CacaK, BerrF, et al.Successful photodynamic therapy for nonresectable cholangiocarcinoma: a randomized prospective study. Gastroenterology2003;125:1355. CrossRef

77. ZoepfT, JakobsR, ArnoldJC, et al.Palliation of nonresectable bile duct cancer: improved survival after photodynamic therapy. Am J Gastroenterol2005;100:2426. CrossRef

78. CheonYK, ChoYD, BaekSH, et al.[Comparison of survival of advanced hilar cholangiocarcinoma after biliary drainage alone versus photodynamic therapy with external drainage]. Korean J Gastroenterol2004;44:280.

79. YamaoK, HaraK, MizunoN, et al.EUS‐guided biliary drainage. Gut Liver2010;4(Suppl 1):S67. CrossRef

80. YamaoK, BhatiaV, MizunoN, et al.EUS‐guided choledochoduodenostomy for palliative biliary drainage in patients with malignant biliary obstruction: results of long‐term follow‐up. Endoscopy2008;40:340. CrossRef

81. Park doH, KooJE, OhJ, et al.EUS‐guided biliary drainage with one‐step placement of a fully covered metal stent for malignant biliary obstruction: a prospective feasibility study. Am J Gastroenterol2009;104:2168. CrossRef

82. KahalehM, HernandezAJ, TokarJ, et al.EUS‐guided pancreaticogastrostomy: analysis of its efficacy to drain inaccessible pancreatic ducts. Gastrointest Endosc2007;65:224. CrossRef

83. MarankiJ, HernandezAJ, ArslanB, et al.Interventional endoscopic ultrasound‐guided cholangiography: long‐term experience of an emerging alternative to percutaneous transhepatic cholangiography. Endoscopy2009;41:532. CrossRef

84. SteelAW, PostgateAJ, KhorsandiS, et al.Endoscopically applied radiofrequency ablation appears to be safe in the treatment of malignant biliary obstruction. Gastrointest Endosc2011;73:149. CrossRef

85. OhnishiH, AsadaM, ShichijoY, et al.External radiotherapy for biliary decompression of hilar cholangiocarcinoma. Hepatogastroenterology1995;42:265.

86. LeungJ, GuineyM, DasR. Intraluminal brachytherapy in bile duct carcinomas. Aust N Z J Surg1996;66:74. CrossRef

87. KuvshinoffBW, ArmstrongJG, FongY, et al.Palliation of irresectable hilar cholangiocarcinoma with biliary drainage and radiotherapy. Br J Surg1995;82:1522. CrossRef

88. PittHA, NakeebA, AbramsRA, et al.Perihilar cholangiocarcinoma. Postoperative radiotherapy does not improve survival. Ann Surg1995;221:788. CrossRef

89. NicholsJC, GoresGJ, LaRussoNF, et al.Diagnostic role of serum CA 19‐9 for cholangiocarcinoma in patients with primary sclerosing cholangitis. Mayo Clin Proc1993;68:874. CrossRef

90. RamageJK, DonaghyA, FarrantJM, et al.Serum tumor markers for the diagnosis of cholangiocarcinoma in primary sclerosing cholangitis. Gastroenterology1995;108:865. CrossRef

91. NakeebA, LipsettPA, LillemoeKD, et al.Biliary carcinoembryonic antigen levels are a marker for cholangiocarcinoma. Am J Surg1996;171:147. CrossRef

92. StamatakisJD, HowardER, WilliamsR. Benign inflammatory tumour of the common bile duct. Br J Surg1979;66:257. CrossRef

93. TioTL, ChengJ, WijersOB, et al.Endosonographic TNM staging of extrahepatic bile duct cancer: comparison with pathological staging. Gastroenterology1991;100:1351.

94. WarshawAL, TepperJE, ShipleyWU. Laparoscopy in the staging and planning of therapy for pancreatic cancer. Am J Surg1986;151:76. CrossRef

95. JohnTG, GreigJD, CrosbieJL, et al.Superior staging of liver tumors with laparoscopy and laparoscopic ultrasound. Ann Surg1994;220:711. CrossRef

96. KlugeR, SchmidtF, CacaK, et al.Positron emission tomography with [(18)F]fluoro‐2‐deoxy‐D‐glucose for diagnosis and staging of bile duct cancer. Hepatology2001;33:1029. CrossRef

97. McLeodRS, TaylorBR, O'ConnorBI, et al.Quality of life, nutritional status, and gastrointestinal hormone profile following the Whipple procedure. Am J Surg1995;169:179. CrossRef

98. StrasbergSM, DrebinJA, SoperNJ. Evolution and current status of the Whipple procedure: an update for gastroenterologists. Gastroenterology1997;113:983. CrossRef

99. SmithAC, DowsettJF, RussellRC, et al.Randomised trial of endoscopic stenting versus surgical bypass in malignant low bileduct obstruction. Lancet1994;344:1655. CrossRef

100. PiehlerJM, CrichlowRW. Primary carcinoma of the gallbladder. Surg Gynecol Obstet1978;147:929.

101. MaringhiniA, MoreauJA, MeltonLJ3rd, et al.Gallstones, gallbladder cancer, and other gastrointestinal malignancies. An epidemiologic study in Rochester, Minnesota. Ann Intern Med1987;107:30. CrossRef

102. StromBL, SolowayRD, Rios‐DalenzJ, et al.Biochemical epidemiology of gallbladder cancer. Hepatology1996;23:1402. CrossRef

103. DiehlAK. Gallstone size and the risk of gallbladder cancer. JAMA1983;250:2323. CrossRef

104. ChijiiwaK, KimuraH, TanakaM. Malignant potential of the gallbladder in patients with anomalous pancreaticobiliary ductal junction. The difference in risk between patients with and without choledochal cyst. Int Surg1995;80:61.

105. TodaniT, TokiA. [Cancer arising in choledochal cyst and management]. Nihon Geka Gakkai Zasshi1996;97:594.

106. TokiwaK, IwaiN. Early mucosal changes of the gallbladder in patients with anomalous arrangement of the pancreaticobiliary duct. Gastroenterology1996;110:1614. CrossRef

107. StephenAE, BergerDL. Carcinoma in the porcelain gallbladder: a relationship revisited. Surgery2001;129:699. CrossRef

108. TowfighS, McFaddenDW, CortinaGR, et al.Porcelain gallbladder is not associated with gallbladder carcinoma. Am Surg2001;67:7.

109. StromBL, SolowayRD, Rios‐DalenzJL, et al.Risk factors for gallbladder cancer. An international collaborative case‐control study. Cancer1995;76:1747. CrossRef

110. NeugutAI, WylieP, Brandt‐RaufPW. Occupational cancers of the gastrointestinal tract. II. Pancreas, liver, and biliary tract. Occup Med1987;2:137.

111. ManoH, RoaI, ArayaJC, et al.Comparison of mutagenic activity of bile between Chilean and Japanese female patients having cholelithiasis. Mutat Res1996;371:73. CrossRef

112. DiehlAK, BeralV. Cholecystectomy and changing mortality from gallbladder cancer. Lancet1981;2:187. CrossRef

113. Albores‐SaavedraJ, HensonDE. Atlas of Tumor Pathology, 2nd Series, Fascicle 22: Tumors of the Gallbladder and Extrahepatic Bile Ducts. Washington DC: Armed Forces Institute of Pathology; 1986.

114. RoaI, ArayaJC, VillasecaM, et al.Preneoplastic lesions and gallbladder cancer: an estimate of the period required for progression. Gastroenterology1996;111:232. CrossRef

115. HanadaK, ItohM, FujiiK, et al.K‐ras and p53 mutations in stage I gallbladder carcinoma with an anomalous junction of the pancreaticobiliary duct. Cancer1996;77:452. CrossRef

116. KanekoK, AndoH, UmedaT, et al.A new model for pancreaticobiliary maljunction without bile duct dilatation: demonstration of cell proliferation in the gallbladder epithelium. J Surg Res1996;60:115. CrossRef

117. WistubaII, GazdarAF. Gallbladder cancer: lessons from a rare tumour. Nat Rev Cancer2004;4:695. CrossRef

118. WibbenmeyerLA, WadeTP, ChenRC, et al.Laparoscopic cholecystectomy can disseminate in situ carcinoma of the gallbladder. J Am Coll Surg1995;181:504.

119. OhtaniT, ShiraiY, TsukadaK, et al.Spread of gallbladder carcinoma: CT evaluation with pathologic correlation. Abdom Imaging1996;21:195. CrossRef

120. NevinJE, MoranTJ, KayS, et al.Carcinoma of the gallbladder: staging, treatment, and prognosis. Cancer1976;37:141. CrossRef

121. TsukadaK, HatakeyamaK, KurosakiI, et al.Outcome of radical surgery for carcinoma of the gallbladder according to the TNM stage. Surgery1996;120:816. CrossRef

122. JohnstonePA, RohdeDC, SwartzSE, et al.Port site recurrences after laparoscopic and thoracoscopic procedures in malignancy. J Clin Oncol1996;14:1950.

123. CopherJC, RogersJJ, DaltonML. Trocar‐site metastasis following laparoscopic cholecystectomy for unsuspected carcinoma of the gallbladder. Case report and review of the literature. Surg Endosc1995;9:348. CrossRef

124. DoudleM, KingG, ThomasWM, et al.The movement of mucosal cells of the gallbladder within the peritoneal cavity during laparoscopic cholecystectomy. Surg Endosc1996;10:1092. CrossRef

125. TodaK, SoudaS, YoshikawaY, et al.Significance of laparoscopic excisional biopsy for polypoid lesions of the gallbladder. Surg Laparosc Endosc1995;5:267. CrossRef

126. KubotaK, BandaiY, NoieT, et al.How should polypoid lesions of the gallbladder be treated in the era of laparoscopic cholecystectomy?Surgery1995;117:481. CrossRef

127. AkosaAB, BarkerF, DesaL, et al.Cytologic diagnosis in the management of gallbladder carcinoma. Acta Cytol1995;39:494.

128. WuSS, LinKC, SoonMS, et al.Ultrasound‐guided percutaneous transhepatic fine needle aspiration cytology study of gallbladder polypoid lesions. Am J Gastroenterol1996;91:1591.

129. ChaoTC, WangCS, JengLB, et al.Primary carcinoma of the gallbladder in Taiwan. J Surg Oncol1996;61:49. CrossRef

130. RuckertJC, RuckertRI, GellertK, et al.Surgery for carcinoma of the gallbladder. Hepatogastroenterology1996;43:527.

131. OnoyamaH, YamamotoM, TsengA, et al.Extended cholecystectomy for carcinoma of the gallbladder. World J Surg1995;19:758. CrossRef

132. MiyazakiM, ItohH, AmbiruS, et al.Radical surgery for advanced gallbladder carcinoma. Br J Surg1996;83:478. CrossRef

133. HatfieldAR, TobiasR, TerblancheJ, et al.Preoperative external biliary drainage in obstructive jaundice. A prospective controlled clinical trial. Lancet1982;2:896. CrossRef

134. McPhersonGA, BenjaminIS, HodgsonHJ, et al.Pre‐operative percutaneous transhepatic biliary drainage: the results of a controlled trial. Br J Surg1984;71:371. CrossRef

135. PittHA, GomesAS, LoisJF, et al.Does preoperative percutaneous biliary drainage reduce operative risk or increase hospital cost?Ann Surg1985;201:545. CrossRef

136. PhilipPA, MahoneyMR, AllmerC, et al.Phase II study of erlotinib in patients with advanced biliary cancer. J Clin Oncol2006;24:3069. CrossRef

137. LubnerSJ, MahoneyMR, KolesarJL, et al.Report of a multicenter phase II trial testing a combination of biweekly bevacizumab and daily erlotinib in patients with unresectable biliary cancer: a phase II Consortium study. J Clin Oncol2010;28:3491. CrossRef

138. UnoT, ItamiJ, ArugaM, et al.Primary carcinoma of the gallbladder: role of external beam radiation therapy in patients with locally advanced tumor. Strahlenther Onkol1996;172:496.

139. TodorokiT, IwasakiY, OriiK, et al.Resection combined with intraoperative radiation therapy (IORT) for stage IV (TNM) gallbladder carcinoma. World J Surg1991;15:357. CrossRef

140. EckelF, BrunnerT, JelicS, et al.Biliary cancer: ESMO Clinical Practice Guidelines for diagnosis, treatment and follow‐up. Ann Oncol2011;22:vi40. CrossRef

141. UesakaK, YasuiK, MorimotoT, et al.Visualization of routes of lymphatic drainage of the gallbladder with a carbon particle suspension. J Am Coll Surg1996;183:345.

142. GlennF, HaysDM. The scope of radical surgery in the treatment of malignant tumors of the extrahepatic biliary tract. Surg Gynecol Obstet1954;99:529.

143. NerviF, DuarteI, GomezG, et al.Frequency of gallbladder cancer in Chile, a high‐risk area. Int J Cancer1988;41:657. CrossRef

144. StromBL, NelsonWL, HensonDE, et al.Carcinoma of the gallbladder. In: CohenS, SolowayRD(eds). Gallstones. New York: Churchill Livingstone; 1985: 275.