We herein present a case of a carcinosarcoma of the urinary bladder in a 57-year-old woman.She visited our hospital be-cause of painless gross hematuria.

• 在此我们报告一位罹患膀胱癌肉瘤的五十七岁女性病人，她是因为无痛性肉眼可见之血尿而就诊。