title: Pneumocystis pneumonia transmission between patients with lymphoma.
mesh_terms: D000328:Adult; D003428:Cross Infection; D006689:Hodgkin Disease / Q000150:complications*; D006801:Humans; D008224:Lymphoma, Follicular / Q000150:complications*; D008297:Male; D011020:Pneumonia, Pneumocystis / Q000150:complications* / Q000209:etiology; D011650:Pulmonary Alveoli / Q000382:microbiology