Primary venous valve incompetence of the leg.
D005268:Femoral Vein / Q000503:physiopathology* / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D007866:Leg / Q000098:blood supply*; D007871:Leg Ulcer / Q000209:etiology / Q000601:surgery; D008297:Male; D008875:Middle Aged; D014689:Venous Insufficiency / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery*