title: Pulmonary infiltrates in a 67-year-old man.
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D006801:Humans; D008168:Lung / Q000473:pathology; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis* / Q000473:pathology / Q000503:physiopathology; D065227:Transfusion Reaction