Chronic traumatic disruption of the left hemidiaphragm

The CT scan shows a chronic diphragmatic hernia due to trauma. The axial view (A) using lung windows shows a portion of the colon (white arrowhead) at the apex of the hernia sac at the level of the aortic arch (black arrow). The reconstructed coronal view (B) shows the defect in the diaphragm (between the two white arrows).