Factors Predictive of Tumor Recurrence and Survival After Initial Complete Response of Esophageal Squamous Cell Carcinoma to Definitive Chemoradiotherapy

Purpose To assess factors predictive of recurrent disease and survival after achieving initial complete response (CR) to chemoradiotherapy (CRT) for esophageal cancer. Methods and Materials Patients who had clinical Stage I–IVA esophageal cancer and received definitive CRT between 2001 and 2007 were retrospectively analyzed. Results Of 269 patients with esophageal cancer, 110 who achieved CR after definitive CRT were included in the analyses....