Pulmonary embolism from occult phlebothrombosis.
D006801:Humans; D007866:Leg / Q000098:blood supply*; D011655:Pulmonary Embolism / Q000209:etiology*; D013927:Thrombosis; D020246:Venous Thrombosis
LEG/blood supply; PULMONARY EMBOLISM AND THROMBOSIS/etiology and pathogenesis; THROMBOSIS