title: Unusual parasites.
mesh_terms: D000328:Adult; D002590:Cestode Infections / Q000000981:diagnostic imaging / Q000473:pathology*; D004445:Echinococcosis, Pulmonary / Q000000981:diagnostic imaging / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography