The scout views show a bowel loop projecting over the heart shadow on the frontal view and in the anterior mediastinum on the lateral view with a poor delineation of the adjacent diaphragm.
CT scan confirms the presence of an anteromedial defect of the diaphragm containing non-obstructed transverse colon as well as omental fat.
Band atelectasis is noted in the posterior segment of the right upper lobe. No enlargement of the cardiac silhouette.