title: Opportunistic pneumonias.
mesh_terms: D001228:Aspergillosis / Q000000981:diagnostic imaging; D001424:Bacterial Infections / Q000000981:diagnostic imaging; D002177:Candidiasis / Q000000981:diagnostic imaging; D002644:Chickenpox / Q000000981:diagnostic imaging; D003453:Cryptococcosis / Q000000981:diagnostic imaging; D003586:Cytomegalovirus Infections / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D006561:Herpes Simplex / Q000000981:diagnostic imaging; D006801:Humans; D007121:Immunocompetence; D008172:Lung Diseases, Fungal / Q000000981:diagnostic imaging; D008174:Lung Diseases, Parasitic / Q000000981:diagnostic imaging; D009091:Mucormycosis / Q000000981:diagnostic imaging; D009617:Nocardia Infections / Q000000981:diagnostic imaging; D011014:Pneumonia / Q000000981:diagnostic imaging* / Q000276:immunology; D011020:Pneumonia, Pneumocystis / Q000000981:diagnostic imaging; D011024:Pneumonia, Viral / Q000000981:diagnostic imaging; D011859:Radiography; D013322:Strongyloidiasis / Q000000981:diagnostic imaging; D014123:Toxoplasmosis / Q000000981:diagnostic imaging