Fig. 1From: IgG4-related focal retroperitoneal fibrosis in ureter suggestive of colon cancer recurrence and resected laparoscopically: a case reportEnhanced abdominal computed tomography (CT) findings. Enhanced abdominal CT showed a 30-mm soft-tissue mass involving the left ureter in front of the bifurcation of the left common iliac artery (arrow)Back to article page