Popliteal artery and vein entrapment.
D000783:Aneurysm / Q000209:etiology; D006801:Humans; D007717:Knee / Q000002:abnormalities*; D008297:Male; D008875:Middle Aged; D011150:Popliteal Artery; D011152:Popliteal Vein; D012501:Saphenous Vein / Q000637:transplantation; D013927:Thrombosis / Q000209:etiology; D014182:Transplantation, Autologous; D014652:Vascular Diseases / Q000209:etiology*