title: Pulmonary embolectomy for massive pulmonary embolus.
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000601:surgery*; D011859:Radiography; D011877:Radionuclide Imaging