Roentgenogram of the month.
D000328:Adult; D003288:Contusions / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging*; D055370:Lung Injury; D008297:Male; D010102:Oxygen Inhalation Therapy; D011015:Pneumonia, Aspiration / Q000175:diagnosis; D011650:Pulmonary Alveoli / Q000473:pathology; D011655:Pulmonary Embolism / Q000175:diagnosis; D011859:Radiography; D014140:Tracheotomy