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Endoscopic classification of radiation proctitis
| Distribution of telangiectasias | Surface area covered by telangiectasias | Presence of fresh blood |
| Distal rectum (within 10 cm from anal verge): 1 point | Less than 50%: 1 point | No fresh blood: 0 points |
| Entire rectum +/- sigmoid (more than 10 cm from anal verge: 2 points | More than 50%: 2 points | Fresh blood : 1 point |
