AIM: to develop a technique and evaluate the effectiveness of endoscopic injections autoplasma rich in platelets (PRP) patients with post-radiation rectal ulcers. PATIENTS AND METHODS: 41 ulcer underwent APBT epithelialize ulcer. RESULTS: The average number for epithelialization is 5. 31(75.6%) during manipulation sermon pain syndrome, severity full strength on scale analog-analogue scale. In 3...