Fig. 2From: A retrospective study of californium-252 neutron brachytherapy combined with EBRT versus 3D-CRT in the treatment of esophageal squamous cell cancerComparison of the overall survival (OS) rate (a), and local control (LC) rate (b) for patients treated with two different modalities (EBRT + NBT and 3D-CRT)Back to article page