Sixteen multiple primary carcmomas were found in 674 patients with gynecologic malignancies who were treated in our departiment from 1980 to 1992. Cases with possible metastasis or recurrence were not included in this study, The incidence of rnultiple primary carcinomas in gynecologic rnalignancies was 2.1%, Multiple primary carcinomas were encountered in 2.4% of 674 cervical cancers, 1.4% of 73 ovarian cancers respectively. The most frequent sites of uther cancers were seen in the stomach(5/16) and lung(3/l6).