Vena cava duplication -- anomaly simulating neoplastic renal vein involvement.
D000230:Adenocarcinoma / Q000000981:diagnostic imaging*; D000368:Aged; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000000981:diagnostic imaging*; D011859:Radiography; D012082:Renal Veins / Q000000981:diagnostic imaging*; D013927:Thrombosis / Q000000981:diagnostic imaging*; D014684:Venae Cavae / Q000002:abnormalities*