This paper reviews the literature regarding the development of gastric cancer in the stomach remnant following gastric resection. Although there is as yet little supporting experimental evidence, clinical studies suggest that the risk of developing gastric cancer is increased, perhaps as much as 6-fold, following partial gastrectomy for benign lesions. It also appears that the risk of developing cancer is greatest if the lesion for which the gastrectomy was originally performed was a gastric ulcer rather than a duodenal ulcer. The type of gastrectomy does not seem to influence this increased risk. Hypotheses are reviewed concerning the role of changes in gastric morphology following partial gastrectomy in the development of cancer.