Unusual popliteal mass.
D003560:Cysts / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006406:Hematoma / Q000175:diagnosis* / Q000601:surgery; D006801:Humans; D007719:Knee Joint; D008875:Middle Aged; D011150:Popliteal Artery / Q000000981:diagnostic imaging; D011152:Popliteal Vein / Q000000981:diagnostic imaging; D011859:Radiography