Fig. 1From: 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 (a) and major local recurrence (b) curves of the treatment groups. The curves are based on values obtained with and without propensity score weighting. Number at risk is calculated from the unweighted populationBack to article page