[Obstruction of the inferior vena cava with unusual collateral pathways--a case report].
D003097:Collateral Circulation; D004444:Echinococcosis, Hepatic / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013927:Thrombosis / Q000503:physiopathology*; D014682:Vena Cava, Inferior