title: Roentgenogram of the month. Well demarcated pulmonary infiltrate.
mesh_terms: D002277:Carcinoma / Q000532:radiotherapy; D006801:Humans; D008175:Lung Neoplasms / Q000532:radiotherapy; D008297:Male; D008875:Middle Aged; D011014:Pneumonia / Q000000981:diagnostic imaging* / Q000209:etiology; D011859:Radiography; D011878:Radiotherapy / Q000009:adverse effects*