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膀胱癌是当前最常见的尿路恶性肿痛。男性癌中占第五位,女性癌中占第十位,男:女为3:1,在美国膀胱癌占总的癌致死率的2.5％,在1984年死于膀胱癌者约为10,700人。膀胱癌的75～85％为低级的,表浅的肿瘤。与浸润性的膀胱癌相比,浅表膀胱癌有一个较为“良性的自然发展史。有40～85％局部切除的肿瘤,多在6～12月内复发,其中19～25％显示肿瘤级别提高,7～25％提
Bladder cancer is the most common urinary tract malignancy. Men make up the fifth most common cancer in cancer, and women make up the tenth most common cancerous cancer, with men and women 3: 1, bladder cancer in the United States accounting for 2.5% of all cancer deaths, and those who died of bladder cancer in 1984 about 10,700 . 75-85% of bladder cancers are low-grade, superficial tumors. Compared with infiltrative bladder cancer, superficial bladder cancer has a more “benign natural history.” There are 40 to 85% of locally resected tumors that mostly recurrent within 6 to 12 months, of which 19 to 25% show tumor grade Improve, 7 ~ 25% mention