Long-standing pneumonitis.
D000293:Adolescent; D000818:Animals; D010856:Columbidae; D003937:Diagnosis, Differential; D006801:Humans; D006967:Hypersensitivity / Q000209:etiology*; D008168:Lung / Q000000981:diagnostic imaging; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D011014:Pneumonia / Q000000981:diagnostic imaging / Q000209:etiology*; D011859:Radiography