Fig. 1From: Postoperative adjuvant chemotherapy versus chemoradiotherapy for node-positive esophageal squamous cell carcinoma: a propensity score-matched analysisStudy flowchart. ESCC: esophageal squamous cell carcinoma; PreCRT: preoperative chemoradiotherapy; PreCT: preoperative chemotherapy; PostRT: postoperative radiotherapy; S: surgery; S + CT: postoperative chemotherapy; S + CRT: postoperative chemoradiotherapyBack to article page