“…In those series, abscesses were reported in 25%-59% of patients, 26,27 abnormal wall thickening in 82%-100%, 26 mesenteric abnormalities in 39%-72%, 26 fistulae in 33%, 14 abnormalities in the perirectal or perianal region in 40%-82%, 3 abnormal terminal ileum in 80%, 3 and backwash ileitis in 15%-20% of patients with UC. 2 This high incidence of complications or signs of advanced disease is discordant with our experience. Over half of the 103 CT scans we reviewed were normal.…”