RESULTS
neoplasm, melanosis
MASSIVE BLEEDING, NEOPLASM, MELANOSIS
From the initial sample of 219 patients, we excluded 16, six due to inadequate preparation of the ascending colon, five due to technical difficulty in reaching the cecum, two due to advanced neoplasm in the rectum that prevented the progression of the apparatus, one due to a resected specimen not recovered for histopathological study in the first evaluation, one patient with colonic melanosis and one patient with massive bleeding after polypectomy in the first evaluation. In total, we analyzed 203 patients, 101 in G1 and 102 in G2 (
