Suspicious appearance of simple cyst caused by technical artifact.
D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000000981:diagnostic imaging*; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D012077:Renal Artery / Q000000981:diagnostic imaging