| risk of stomach cancer in patients with gastric or duodenal ulcer. | it has been suggested that the risk of stomach cancer is increased when there is a history of gastric ulcer, but decreased in those with a history of duodenal ulcer. to provide further information on the issue, data from a case-control study of gastric cancer conducted in greater milan, northern italy, between 1985 and 1993, were examined. there were 746 cases of gastric cancer below the age of 75 and 2,053 controls admitted to hospital for acute, non-neoplastic, non-hormone-related diseases. a ... | 1997 | 9161808 |