title: Opportunistic infections of the lung.
mesh_terms: D001228:Aspergillosis / Q000209:etiology; D001232:Aspergillus fumigatus / Q000302:isolation & purification; D001706:Biopsy; D002177:Candidiasis / Q000209:etiology; D003047:Coccidioidomycosis / Q000209:etiology; D003453:Cryptococcosis / Q000209:etiology; D005658:Fungi / Q000302:isolation & purification; D006566:Herpesviridae Infections / Q000209:etiology; D006658:Histoplasma / Q000302:isolation & purification; D006660:Histoplasmosis / Q000209:etiology; D006801:Humans; D007165:Immunosuppression Therapy / Q000009:adverse effects*; D008171:Lung Diseases / Q000209:etiology* / Q000473:pathology; D009617:Nocardia Infections / Q000209:etiology; D011020:Pneumonia, Pneumocystis / Q000209:etiology; D014397:Tuberculosis, Pulmonary / Q000209:etiology