Case of the winter season.
D001991:Bronchitis / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant; D008067:Lipoma / Q000000981:diagnostic imaging* / Q000601:surgery; D008175:Lung Neoplasms / Q000000981:diagnostic imaging* / Q000601:surgery; D008297:Male; D011859:Radiography