Risk of Residual Cancer after Endoscopy Resection of Malignant Polyps Risk Criteria: • Resection margin < 1mm ++++ • Resection margin 1-2mm + • Pedunculated: Haggitt 4 ++++ • Sessile: Kikuchi 2 ++ • Sessile: Kikuchi 3 ++++ • Poor differentiation +++ • Mucinous tumour + • Tumour budding + • Lymphovascular invasion ++ Dr. Keith Siau @drkeithsiau #Malignant #Polyp #risk #gastroenterology #resection #polypectomy