title: The antigen that was heard but not 'seen'.
mesh_terms: D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011241:Prednisone / Q000627:therapeutic use; D011657:Pulmonary Eosinophilia / Q000175:diagnosis* / Q000188:drug therapy / Q000276:immunology; D011859:Radiography
chemical_list: D011241:Prednisone