School ager with a protuberant left chest wall Pediatric Imaging Chest, Musculoskeletal May 17, 2020May 9, 2020 CXR PA and lateral and axial CT without contrast of the chest shows marked depression of the sternum posteriorly leading to deformation of the chest wall. The diagnosis was pectus excavatum. Related Published May 17, 2020May 9, 2020