Colonoscopy is the screening tool for colorectal carcinoma. Adults between the age of 45 to 75 should undergo regular screening through colonoscopy for colorectal carcinoma. Reference: https://www.cdc.gov/cancer/colorectal/basic_info/screening/tests.htm#:~:text=A%20colonoscopy%20is%20one%20of,made%20on%20an%20individual%20basis. Image via: https://www.medicalnewstoday.com/articles/273587