Book excerpt: The 25th volume of this highly successful series covers a range of interesting topics, including biological therapy in inflammatory bowel disease, recent surgical approaches in rectal cancer, tumor markers in HPB and GI malignancies, bridging therapy for hepatocellular carcinoma, adjuncts to liver resection, IgG-related HPB diseases, ERCP-induced perforations and superior mesenteric artery syndrome. As in the previous volumes, the chapter on advances in GI surgery reviews the important new developments in the field. The GI Surgery Annual 25th Volume provides up-to-date information on current hot topics.