Fig. 2From: Chemoradiation versus surgery for superficial esophageal squamous cell carcinoma after noncurative endoscopic submucosal dissection: comparison of long-term oncologic outcomesDisease-free survival rate. The CRT and esophagectomy groups had disease-free survival rates of 65% and 73%, respectively, at 4 years (p = 0.41)Back to article page