Predicts lymph-node metastasis (LNM) probability after endoscopic treatment of colorectal T1 cancer. Six-factor multivariable logistic model from Kajiwara 2023 (GIE; derivation n=3080). Total points treat SM ≥2000 μm as 100 on the nomogram scale. Values may differ slightly from the official site. GI Calc uses the published figures — the actual β coefficients — from the paper.
Sex
Tumor location
Cecum to lower rectum. Sites with the same points share a coefficient.
Do not enter identifiable patient information or patient images.
Decision support only. Follow current guidelines and local protocols. Classification definitions and terminology follow the original publication language.