Radiographic pictures of the stenosis. 1A and 1B: CT-scan of the stenosis of the transverse colon (1A: frontal view; 1B: horizontal view). 1C: Ultrasound picture of the stenosis. Stenosis was 5.9 mm × 6.7 mm in diameter. The intestinal wall appeared thickened and hypoechoic. There was no intra- or extra-mural vascularization present consistent with level I according to the Limberg classification.