title: Dense lobar consolidation in an immunocompromised host.
mesh_terms: D001424:Bacterial Infections / Q000000981:diagnostic imaging* / Q000276:immunology; D006801:Humans; D007875:Legionella; D008168:Lung / Q000000981:diagnostic imaging*; D008171:Lung Diseases / Q000000981:diagnostic imaging* / Q000276:immunology; D008297:Male; D008875:Middle Aged; D010392:Pemphigus / Q000276:immunology; D011859:Radiography