title: [Absence of the vena cava inferior].
mesh_terms: D001401:Azygos Vein / Q000002:abnormalities / Q000000981:diagnostic imaging; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008297:Male; D011859:Radiography; D014682:Vena Cava, Inferior / Q000002:abnormalities* / Q000000981:diagnostic imaging
vernacular_title: K voprosu ob otsutstvii nizhneĭ poloĭ veny.