What could redness and inflamed areas of colon indicate on colonoscopy? biopsies were taken.

Redness suggests..: ..more vascularity or blood vessels. These often accompany infection or inflammation. Microscopic evaluation of the biopsied tissue will determine whether they is a sufficient amount and type of inflammation to make the diagnosis of Inflammatory Bowel Disease/Crohn's Disease. Cultures for infection may have also been taken, and cancer cells will be looked for (unlikely).