6Cho K R,Jo W M.Superior mesenteric artery syndrome after esophagectomy with cervical esophagogastrostomy[J].Ann Thorac Surg,2006,82(5):37-38.
7Niedzielski J,Bluett JB,Williamson RT,et al.Analysis of esophage-al-sparing treatment plans for patients with high-grade esophagitis[J].J Appl Clin Med Phys,2013,14(4):4248.
8Park PC,Cheung JP,Zhu XR,et al.Statistical assessment of protontreatment plans under setup and range uncertaintiesf J].Int J RadiatOncol Biol Phys,2013,86(5):1007-1013.