Figure 3. Grade 2 (RTOG/EORTC) dysphagia-free survival after daytime pulsed dose rate (PDR) brachytherapy for re-irradiation of patients with recurrent oesophageal cancer. The endpoint of this analysis was the occurrence of grade 2 dysphagia (unable to take solid food normally, swallowing semi-solid food, dilatation may be indicated) during follow-up.