Swisher SG, Wynn P, Putnam JB, et al: Salvage esophagectomy for recurrent tumors after definitive chemotherapy and radiotherapy. J Thorac Cardiovasc Surg 123 (1): 175-183, 2002.
Hattori S, Muto M, Ohtsu A, et al: EMR as salvage treatment for patients with locoregional failure of definitive chemoradiotherapy for esophageal cancer. Gastrointest Endosc 58 (1): 65-70, 2003.
Tu CH, Muto M, Horimatsu T, et al: Submucosal tumor appearance is a useful endoscopic predictor of early primary-site recurrence after definitive chemoradiotherapy for esophageal squamous cell carcinoma. Dis Esophagus 24 (4) : 274-278, 2011.