Preschooler who had Wilms tumor in the left kidney treated with radiation a year ago with difficulty stooling

Barium enema of radiation induced enteritis of colon — AP image from an enema shows a fixed narrowing of the descending colon from the splenic flexure to the sigmoid colon with dilation of the colon proximal to it. The extremely dilated cecum is in the midline of the pelvis.

The diagnosis was radiation induced enteritis involving the descending colon in a patient with Wilms tumor.