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Fig. 1B —79-year-old man receiving anticoagulation for atrial fibrillation
with history of colonic polyps detected 10 years earlier. Patient had advanced
diverticular disease of descending and sigmoid colon. In addition to supine
and prone imaging, imaging was also performed with patient in right lateral
decubitus position to maximize distension of left colon. Two polyps were
identified only on right lateral decubitus imaging. View of gas-filled colon
with patient in right lateral decubitus position shows optimal distension of
transverse colon. Two polyps (arrows) are visible in this view.