泌尿生殖系是多原发恶性肿瘤涉及的主要器官。笔者收集经病理检查证实的膀胱癌伴多原发恶性肿瘤 9例患者的临床资料 ,现报告如下 ,并结合文献讨论如下。1　临床资料9例膀胱癌伴多原发恶性肿瘤患者的临床资料详见表 1。表 1　 9例膀胱癌伴多原发恶性肿瘤患者的临床资料例序性别 Genitourinary system is the main organ involved in multiple primary malignancies. The author collected by pathology confirmed bladder cancer with multiple primary malignancies in patients with clinical data of 9 cases, the report is as follows, combined with the literature discussed below. A clinical data of 9 cases of bladder cancer with multiple primary malignant tumor clinical data in Table 1. Table 19 cases of bladder cancer with multiple primary malignancies in patients with clinical data routine sex