Fig. 3From: Anatomical locations of air for rapid diagnosis of pneumothorax in blunt trauma patientsEstimated probability of occurrence of pneumothorax for each of the six location as a function of the total volume of air in the left hemithorax. UPS, upper parasternal; UL, upper lateral; MPS, middle parasternal; ML, middle lateral; LPS, lower parasternal; LL, lower lateralBack to article page