title: Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 37-1990. A 28-year-old man with increasing dyspnea, dry cough, and fever after chemotherapy for lymphoma.
mesh_terms: D000328:Adult; D001402:B-Lymphocytes; D003937:Diagnosis, Differential; D004342:Drug Hypersensitivity / Q000209:etiology; D006801:Humans; D008168:Lung / Q000473:pathology; D008228:Lymphoma, Non-Hodgkin / Q000188:drug therapy; D008297:Male; D008727:Methotrexate / Q000009:adverse effects*; D011014:Pneumonia / Q000139:chemically induced* / Q000175:diagnosis / Q000473:pathology; D011020:Pneumonia, Pneumocystis / Q000175:diagnosis
chemical_list: D008727:Methotrexate