Fig. 5

54-year-old man with CLL on maintenance with Rituximab with new onset pain abdomen. a Axial CT images of the abdomen obtained during portal venous phase show small focus of air under the left hemidiaphragm (white arrow). b Axial CT images of the pelvis obtained during portal venous phase show a focus of air in the mesentery (white arrow) (c). Axial CT images of the pelvis obtained during portal venous phase demonstrate thickening of the small bowel loop with a filling defect in the left internal iliac artery (white arrow). Findings were compatible with small bowel perforation