A case of advanced anal canal cancer with skin metastases that extended to the scrotum, penis, and lower abdomen is presented. The patient had severe pain on contact with voided urine because of skin tumors. The curved penis did not allow insertion of catheter to treat painful urination, and suprapubic cystostomy insertion was also impossible because of skin tumors. A right cutaneous ureterostomy was performed using the retroperitoneoscopic approach in supine position, and the left renal artery was embolized using ethanol to eliminate left kidney function. The patient became completely free from all urinary-related pains until he died of progressive disease.
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