1. Gonzalez RS, Bagci P, Basturk O, Reid MD, Balci S, Knight JH, et al. 2016; Intrapancreatic distal common bile duct carcinoma: analysis, staging considerations, and comparison with pancreatic ductal and ampullary adenocarcinomas. Mod Pathol. 29:1358–1369. DOI:
10.1038/modpathol.2016.125. PMID:
27469329. PMCID:
PMC5598556.
2. Nakeeb A, Pitt HA, Sohn TA, Coleman J, Abrams RA, Piantadosi S, et al. 1996; Cholangiocarcinoma. A spectrum of intrahepatic, perihilar, and distal tumors. Ann Surg. 224:463–473. discussion 473–475. DOI:
10.1097/00000658-199610000-00005. PMID:
8857851. PMCID:
PMC1235406.
3. Launois B, Reding R, Lebeau G, Buard JL. 2000; Surgery for hilar cholangiocarcinoma: French experience in a collective survey of 552 extrahepatic bile duct cancers. J Hepatobiliary Pancreat Surg. 7:128–134. DOI:
10.1007/s005340050166. PMID:
10982604.
4. Murakami Y, Uemura K, Sudo T, Hashimoto Y, Nakashima A, Kondo N, et al. 2011; Prognostic factors after surgical resection for intrahepatic, hilar, and distal cholangiocarcinoma. Ann Surg Oncol. 18:651–658. DOI:
10.1245/s10434-010-1325-4. PMID:
20945107.
5. Kim BH, Kim K, Chie EK, Kwon J, Jang JY, Kim SW, et al. 2017; Long-term outcome of distal cholangiocarcinoma after pancreaticoduodenectomy followed by adjuvant chemoradiotherapy: a 15-year experience in a single institution. Cancer Res Treat. 49:473–483. DOI:
10.4143/crt.2016.166. PMID:
27554480. PMCID:
PMC5398409.
6. Strijker M, Belkouz A, Van Der Geest LG, Van Gulik TM, Van Hooft JE, De Meijer VE, et al. 2019; Treatment and survival of resected and unresected distal cholangiocarcinoma: a nationwide study. Acta Oncol. 58:1048–1055. DOI:
10.1080/0284186X.2019.1590634. PMID:
30907207.
7. Hayashi H, Jang JY, Kim KS, Choi JS, Takahara T, Choi SH, et al. 2020; Comparison of pancreaticoduodenectomy and bile duct resection for middle bile duct cancer: a multi-center collaborating study of Japan and Korea. J Hepatobiliary Pancreat Sci. 27:289–298. DOI:
10.1002/jhbp.724. PMID:
32048467. PMCID:
PMC7384139.
8. Lee HG, Lee SH, Yoo DD, Paik KY, Heo JS, Choi SH, et al. 2009; Carcinoma of the middle bile duct: is bile duct segmental resection appropriate? World J Gastroenterol. 15:5966–5971. DOI:
10.3748/wjg.15.5966. PMID:
20014461. PMCID:
PMC2795184.
9. Schreuder AM, Engelsman AF, Van Roessel S, Verheij J, Besselink MG, Van Gulik TM, et al. 2019; Treatment of mid-bile duct carcinoma: local resection or pancreatoduodenectomy? Eur J Surg Oncol. 45:2180–2187. DOI:
10.1016/j.ejso.2019.06.032. PMID:
31279596.
10. Akita M, Ajiki T, Ueno K, Tsugawa D, Tanaka M, Kido M, et al. 2020; Benefits and limitations of middle bile duct segmental resection for extrahepatic cholangiocarcinoma. Hepatobiliary Pancreat Dis Int. 19:147–152. DOI:
10.1016/j.hbpd.2020.01.002. PMID:
32037277.
11. Komaya K, Ebata T, Shirai K, Ohira S, Morofuji N, Akutagawa A, et al. 2017; Recurrence after resection with curative intent for distal cholangiocarcinoma. Br J Surg. 104:426–433. DOI:
10.1002/bjs.10452. PMID:
28138968.
12. Ercolani G, Dazzi A, Giovinazzo F, Ruzzenente A, Bassi C, Guglielmi A, et al. 2015; Intrahepatic, peri-hilar and distal cholangiocarcinoma: three different locations of the same tumor or three different tumors? Eur J Surg Oncol. 41:1162–1169. DOI:
10.1016/j.ejso.2015.05.013. PMID:
26095704.
13. Sakata J, Wakai T, Matsuda Y, Ohashi T, Hirose Y, Ichikawa H, et al. 2016; Comparison of number versus ratio of positive lymph nodes in the assessment of lymph node status in extrahepatic cholangiocarcinoma. Ann Surg Oncol. 23:225–234. DOI:
10.1245/s10434-015-4609-x. PMID:
25994208.
14. Kim HJ, Kim CY, Hur YH, Koh YS, Kim JC, Kim HJ, et al. 2014; Prognostic factors for survival after curative resection of distal cholangiocarcinoma: perineural invasion and lymphovascular invasion. Surg Today. 44:1879–1886. DOI:
10.1007/s00595-014-0846-z. PMID:
24535697.
15. Kawai M, Tani M, Kobayashi Y, Tsuji T, Tabuse K, Horiuchi T, et al. 2010; The ratio between metastatic and examined lymph nodes is an independent prognostic factor for patients with resectable middle and distal bile duct carcinoma. Am J Surg. 199:447–452. DOI:
10.1016/j.amjsurg.2009.01.019. PMID:
19596119.
16. Kiriyama M, Ebata T, Aoba T, Kaneoka Y, Arai T, Shimizu Y, et al. 2015; Prognostic impact of lymph node metastasis in distal cholangiocarcinoma. Br J Surg. 102:399–406. DOI:
10.1002/bjs.9752. PMID:
25611179.
17. Murakami Y, Uemura K, Hayashidani Y, Sudo T, Ohge H, Sueda T. 2007; Pancreatoduodenectomy for distal cholangiocarcinoma: prognostic impact of lymph node metastasis. World J Surg. 31:337–342. discussion 343–344. DOI:
10.1007/s00268-006-0224-0. PMID:
17006609.
18. Andrianello S, Paiella S, Allegrini V, Ramera M, Pulvirenti A, Malleo G, et al. 2015; Pancreaticoduodenectomy for distal cholangiocarcinoma: surgical results, prognostic factors, and long-term follow-up. Langenbecks Arch Surg. 400:623–628. DOI:
10.1007/s00423-015-1320-0. PMID:
26134446.
19. Lyu S, Li L, Zhao X, Ren Z, Cao D, He Q. 2020; Prognostic impact of lymph node parameters in distal cholangiocarcinoma after pancreaticoduodenectomy. World J Surg Oncol. 18:262. DOI:
10.1186/s12957-020-02040-1. PMID:
33032609. PMCID:
PMC7545845.
20. Byrling J, Andersson R, Sasor A, Lindell G, Ansari D, Nilsson J, et al. 2017; Outcome and evaluation of prognostic factors after pancreaticoduodenectomy for distal cholangiocarcinoma. Ann Gastroenterol. 30:571–577. DOI:
10.20524/aog.2017.0169. PMID:
28845114. PMCID:
PMC5566779.
21. Li X, Lin H, Sun Y, Gong J, Feng H, Tu J. 2019; Prognostic significance of the lymph node ratio in surgical patients with distal cholangiocarcinoma. J Surg Res. 236:2–11. DOI:
10.1016/j.jss.2018.10.044. PMID:
30694756.
22. Oshiro Y, Sasaki R, Kobayashi A, Murata S, Fukunaga K, Kondo T, et al. 2011; Prognostic relevance of the lymph node ratio in surgical patients with extrahepatic cholangiocarcinoma. Eur J Surg Oncol. 37:60–64. DOI:
10.1016/j.ejso.2010.10.011. PMID:
21094016.
23. You Y, Shin YC, Choi DW, Heo JS, Shin SH, Kim N, et al. 2020; Proposed modification of staging for distal cholangiocarcinoma based on the lymph node ratio using Korean Multicenter Database. Cancers (Basel). 12:762. DOI:
10.3390/cancers12030762. PMID:
32213853. PMCID:
PMC7140100.
24. Ito K, Ito H, Allen PJ, Gonen M, Klimstra D, D'Angelica MI, et al. 2010; Adequate lymph node assessment for extrahepatic bile duct adenocarcinoma. Ann Surg. 251:675–681. DOI:
10.1097/SLA.0b013e3181d3d2b2. PMID:
20224368.