我院自1988～1994年10月经胃镜发现上消化道双原发癌12例.现报告如下.1 临床资料1.1 一般资料 本文12例中男9例,女3例.年龄48 In our hospital from 1988 to October 1994, we found 12 cases of upper gastrointestinal dual primary cancer by gastroscopy. The present report is as follows.1 Clinical data 1.1 General information In this paper, 12 cases were male and 3 were female. Age was 48.