Metastatic malignant melanoma. Symmetrical involvement of both ureters.
D006801:Humans; D008297:Male; D008545:Melanoma / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011859:Radiography; D014516:Ureteral Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000556:secondary*