Blunt trauma to the chest.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008171:Lung Diseases / Q000628:therapy; D008297:Male; D008875:Middle Aged; D012131:Respiratory Insufficiency / Q000628:therapy; D012138:Respiratory Therapy; D013898:Thoracic Injuries / Q000628:therapy*; D012122:Ventilators, Mechanical