title: The superior and inferior mesenteric veins as collateral channels in inferior vena cava obstruction.
mesh_terms: D000293:Adolescent; D003097:Collateral Circulation; D005260:Female; D006801:Humans; D008642:Mesenteric Veins / Q000000981:diagnostic imaging*; D010690:Phlebography; D011168:Portal System; D014652:Vascular Diseases / Q000000981:diagnostic imaging; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging*; D009396:Wilms Tumor / Q000150:complications / Q000000981:diagnostic imaging