<unk> s can occur with or without direct trauma during recreational activity. Cardiopulmonary resuscitation (CPR) has also been known to cause thoracic injury, including but not limited to<unk>  and sternum<unk> s. They can also occur as a consequence of diseases such as cancer or rheumatoid arthritis. While for elderly individuals a fall can cause a<unk> , in adults automobile accidents are a common event for such an injury.
Rib fracture
Costochondritis
Flail chest
Tietze syndrome  Tietze syndrome  1
Pulmonary contusion
Diaphragmatic rupture
Twelfth rib syndrome
Hemothorax