1980年～1995年7月经治的7例涉及泌尿生殖系统和消化系统双原发癌，男性4例，女性3例。年龄50岁～70岁，平均58岁。同时发病1例，异时发病6例。其中1年内发病2例，5年内发病3冽，5年后发病1例。发病部位及治疗情况2例第一原发癌为消化系统（胃、结肠癌），行根治性胃切除术、右 From July 1980 to July 1995, 7 cases of double primary cancers involving the genitourinary system and digestive system were treated. There were 4 males and 3 females. Aged 50 years old to 70 years old, average 58 years old. At the same time, one case was found and six cases were different at the same time. Incidence of 2 cases within 1 year, 3 years 5 years of onset, 1 case of 5 years after onset. The incidence of disease and treatment of 2 cases of primary primary cancer for the digestive system (stomach, colon cancer), radical gastrectomy, right