多原发癌是指两个或两个以上器官同时或先后发生两种或两种以上癌瘤［1］。宫颈癌放疗后多原发癌文献上未见报道，现就我院收治的20例报告如下。1临床资料1．l一般资料本组20例患者中，年龄最小者50岁，最大者68岁，平均年龄59岁，均为已婚女性。第一种癌均为子宫颈癌，经根治 Multiple primary cancers refer to two or more cancers occurring simultaneously or sequentially in two or more organs [1]. Cervical cancer after multiple primary cancer radiotherapy literature has not been reported, now admitted to our hospital 20 cases are as follows. 1 clinical data 1. l General Information The group of 20 patients, the youngest 50 years old, the largest 68 years old, average age 59 years old, are married women. The first type of cancer is cervical cancer, after radical