Fig. 1From: Radiotherapy for small cell carcinoma of the esophagus: outcomes and prognostic factors from a retrospective studya Overall survival (OS) of all 42 patients; (b) OS of patients with ECOG PS of 0–1 or 2–3; (c) OS of patients with lesion length > 5 cm or ≤ 5 cm; (d) OS of patients with stage LD or EDBack to article page