Aim: To evaluate whether patients with T1 esophageal squamous cell carcinoma receiving definitive radiotherapy can be managed without concurrent chemotherapy, and the role of F-fluorodeoxyglucose positron-emission tomography with computed tomography (FDG-PET/CT) in demonstrating local control (LC).
Patients And Methods: Twenty-four out of 37 patients with newly-diagnosed T1 EC treated with definitive radiotherapy between July 2009 and July 2016 were retrospectively analyzed. FDG-PET/CT was performed before treatment.