Fig. 2From: Influence of radiation dose and predicted tumor invasion depth on local recurrence after definitive chemoradiotherapy for stage 0–I esophageal squamous cell carcinoma: a propensity score-weighted, retrospective, observational studyLocal recurrence (left) and major local recurrence (right) curves. Curves are stratified by clinical depth of invasion: a EP/LPM (tumors limited to the epithelium or invading the lamina propria mucosa), b MM/SM1 (tumors invading the muscularis mucosa or the submucosa to a depth of ≤ 200 μm from the lower border of the muscularis mucosa), and c SM2 (tumors invading the submucosa to a depth of > 200 μm)Back to article page