title: Source of non-lethal pulmonary emboli.
mesh_terms: D005268:Femoral Vein; D006801:Humans; D007084:Iliac Vein; D007866:Leg / Q000098:blood supply*; D010388:Pelvis / Q000098:blood supply; D010690:Phlebography; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000209:etiology*; D013924:Thrombophlebitis / Q000150:complications / Q000000981:diagnostic imaging