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  • years
  • Surveillance colonoscopy instead of prophylactic proctocolectomy is generally recommended for those with total colitis for more than 8 years after the onset or left-sided colitis for more than 15 years [ 4 , 5 ]. (hindawi.com)
  • proximal
  • When the graft is joined to the submucosal layer of the bowel proximal to the usual anastomosis, it will prevent salivary esophago-gastrointestinal secretions, food, and fecal flow from coming in contact with the anastomotic closure site. (google.com)