患者,男,45岁,发现会阴肿块6月,进行性增大2月入院。体检:一般情况好,全身表浅淋巴结无肿大,心肺腹部未见异常。耻骨前与阴茎根部处有一6cm×6cm大小肿块,质地中等,边界不清,无明显压痛。血、尿常规,肝、肾功能等无异常。B超:肝、胆、脾、胰、肾、膀胱、前列腺未见异常。胸片: Patients, male, 45 years old, found that the perineal mass in June, progressive increase in February admission. Physical examination: the general situation is good, superficial lymph nodes without swelling, no abnormal heart and lung abdomen. Pre-pubic and penile root at a 6cm × 6cm size of the tumor, medium texture, the boundary is unclear, no significant tenderness. Blood, urine, liver, kidney function and other anomalies. B super: liver, gallbladder, spleen, pancreas, kidney, bladder, prostate no exception. Chest radiograph