Is Concurrent Chemotherapy With Radiotherapy for Esophageal Cancer Beneficial in Patients Aged 80 Years or Older?

Background/Aim: To determine whether concurrent chemotherapy with radiotherapy should be performed in elderly patients with esophageal cancer. Patients and Methods: A total of 185 patients aged 80 years or older who were treated with definitive radiotherapy alone or combined with chemoradiotherapy for esophageal cancer at seven institutions were enrolled. In order to compare survival rates of patients treated with chemoradiotherapy with those of...