Chemoradiotherapy (CRT) has been proposed as an alternative therapy to esophagectomy for esophageal cancer, because of its favorable survival rate and mild toxicity
http://www.nature.com/ajg/journal/vaop/ncurrent/full/ajg201142a.html
Comparison Between Definitive Chemoradiotherapy and Esophagectomy in Patients With Clinical Stage I Esophageal Squamous Cell Carcinoma