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- W2626830292 abstract "Background Tumor location is a prognostic factor for survival in patients with T2 gallbladder cancer. However, the optimal extent of resection according to tumor location remains unclear. Methods We reviewed the records of 192 patients with T2 gallbladder cancer who underwent R0 or R1 resection at 6 institutions. Perioperative and oncologic outcomes were compared according to the extent of resection between hepatic-sided (n = 93) and peritoneal-sided (n = 99) tumors. Results After a median follow-up of 30 months, the 5-year overall survival (84.9% vs 71.8%, P = .048) and recurrence-free survival (74.6% vs 62.2%, P = .060) were greater in peritoneal-sided T2 patients than in hepatic-sided T2 patients. Among hepatic-sided T2 patients, the 5-year overall survival was greater in patients who underwent radical cholecystectomy including lymph node dissection with liver resection than in patients who underwent lymph node dissection without liver resection (80.3% vs 30.0%, P = .032), and the extent of liver resection was not associated with overall survival (P = .526). Lymph node dissection without liver resection was an independent prognostic factor for overall survival in hepatic-sided T2 gallbladder cancer (hazard ratio 5.009, 95% confidence interval 1.512–16.596, P = .008). In peritoneal-sided T2 patients, the 5-year overall survival was not significantly different between the lymph node dissection with liver resection and the lymph node dissection without liver resection subgroups (70.5% vs 54.8%, P = .111) and the extent of lymph node dissection was not associated with overall survival (P = .395). Conclusion In peritoneal-sided T2 gallbladder cancer, radical cholecystectomy including lymph node dissection without liver resection is a reasonable operative option. Radical cholecystectomy including lymph node dissection with liver resection is suitable for hepatic-sided T2 gallbladder cancer. Tumor location is a prognostic factor for survival in patients with T2 gallbladder cancer. However, the optimal extent of resection according to tumor location remains unclear. We reviewed the records of 192 patients with T2 gallbladder cancer who underwent R0 or R1 resection at 6 institutions. Perioperative and oncologic outcomes were compared according to the extent of resection between hepatic-sided (n = 93) and peritoneal-sided (n = 99) tumors. After a median follow-up of 30 months, the 5-year overall survival (84.9% vs 71.8%, P = .048) and recurrence-free survival (74.6% vs 62.2%, P = .060) were greater in peritoneal-sided T2 patients than in hepatic-sided T2 patients. Among hepatic-sided T2 patients, the 5-year overall survival was greater in patients who underwent radical cholecystectomy including lymph node dissection with liver resection than in patients who underwent lymph node dissection without liver resection (80.3% vs 30.0%, P = .032), and the extent of liver resection was not associated with overall survival (P = .526). Lymph node dissection without liver resection was an independent prognostic factor for overall survival in hepatic-sided T2 gallbladder cancer (hazard ratio 5.009, 95% confidence interval 1.512–16.596, P = .008). In peritoneal-sided T2 patients, the 5-year overall survival was not significantly different between the lymph node dissection with liver resection and the lymph node dissection without liver resection subgroups (70.5% vs 54.8%, P = .111) and the extent of lymph node dissection was not associated with overall survival (P = .395). In peritoneal-sided T2 gallbladder cancer, radical cholecystectomy including lymph node dissection without liver resection is a reasonable operative option. Radical cholecystectomy including lymph node dissection with liver resection is suitable for hepatic-sided T2 gallbladder cancer." @default.
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- W2626830292 date "2017-09-01" @default.
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- W2626830292 title "Do hepatic-sided tumors require more extensive resection than peritoneal-sided tumors in patients with T2 gallbladder cancer? Results of a retrospective multicenter study" @default.
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- W2626830292 doi "https://doi.org/10.1016/j.surg.2017.05.004" @default.
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