title: [2 cases of duplication of the inferior vena cava and a retroaortic left renal vein--with special references to CT findings].
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008875:Middle Aged; D012082:Renal Veins / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014057:Tomography, X-Ray Computed; D014682:Vena Cava, Inferior / Q000002:abnormalities* / Q000000981:diagnostic imaging