Diagnosis of venous thrombosis.
D006801:Humans; D007866:Leg / Q000098:blood supply; D010690:Phlebography / Q000379:methods; D010992:Plethysmography, Impedance; D011183:Postoperative Complications; D011877:Radionuclide Imaging; D013924:Thrombophlebitis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D014463:Ultrasonography