School ager after trauma on an all terrain vehicle Pediatric Imaging Chest August 22, 2019July 30, 2019 Supine CXR shows multiple left-sided rib fractures and the deep sulcus sign which is increased lucency in the left costophrenic angle. No definite pleural edge is seen. The diagnosis was left-sided pneumothorax. Related Published August 22, 2019July 30, 2019
