title: Malignant melanoma presenting as renal tumor.
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D008297:Male; D008545:Melanoma / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011859:Radiography