The use of a tattooing instrument for marking colonic mucosa.
D012809:Colon, Sigmoid; D006801:Humans; D009092:Mucous Membrane; D011127:Polyps / Q000601:surgery*; D012004:Rectal Neoplasms; D012007:Rectum; D012811:Sigmoid Neoplasms; D013653:Tattooing
POLYPI/surgery; RECTUM/neoplasms; SIGMOID/neoplasms; TATTOOING