Which of these statements abut ulcerative colitis (US) and colon carcinoma is FALSE ?(

Patients hospitalized for ulcerative colitis (UC) are at high risk for colectomy. The cumulative colectomy risk score ranged from 8%, with significantly higher risk of colectomy in the high-risk stratum (13.7%) compared to the intermediate-risk (4.2%, P < 0.001) and low-risk (1.3%, P < 0.001) strata Ref Davidson edition23rd pg 815