Widely accepted predictors of local recurrence after endoscopic resection of T1 cancers include rectal location, positive resection margin, poor differentiation (PD), lymphovascular invasion (LVI), high-grade
poor differentiation
poor differentiation
T1 Colorectal Cancer With Free Resection Margins Between 0.1 and 1 mm: High-Grade Tumor Budding Makes the Difference in Recurrence Risk
A free resection margin, often interpreted as >1 mm between cancer and the resection line, is an independent predictor of low risk for recurrent cancer
