Fig. 1From: Effectiveness of salvage radiotherapy for superficial esophageal Cancer after non-curative endoscopic resectionOS and PFS rates for all patients. The 5-year OS and PFS rates for all patients were 78% (95% CI, 64–91%) and 64% (95% CI, 49–80%), respectively. OS: overall survival, PFS: progression-free survival; CI: confidence intervalBack to article page