Systemic chemotherapy following non-curative resection may increase survival for people with gall bladder carcinoma, but not carcinomas of the pancreas, bile duct or ampulla of Vater: Abstracted from: Takada T, Amano H, Yasuda H et al. Is postoperative adjuvant chemotherapy useful for gall bladder carcinoma? A phase III multicentre prospective randomized controlled trial in patients with resected pancreaticobiliary carcinoma. Cancer 2002; 95(8): 1685–95.