Fig. 4From: Successful two-stage operation for esophageal necrosis due to proton beam therapy followed by sorafenib in a case of large hepatocellular carcinomaIntraoperative findings. a The right lower mediastinal pleura and diaphragm around the irradiation field of proton beam therapy show ischemic changes with thickened wall in yellowish-white color. b The right lower esophageal wall above the diaphragm is necrosed in its full thicknessBack to article page