Figure 6. Coronal half-Fourier RARE MR image (4.4/64) obtained in an immunocompromised patient with right-sided colitis (secondary to cytomegalovirus infection) demonstrates mural thickening and intramural high signal intensity (arrow) in the ascending colon; this finding is consistent with diffuse edema. High-signal-intensity pericolonic and perihepatic fluid secondary to ascites (arrowheads) is noted.