参考
1-Rice T, Patil D, Blackstone E. 8th Edition AJCC/UICC Staging of Cancers of the Esophagus and Esophagogastric Junction: Application to Clinical Practice. Ann Cardiothorac Surg. 2017;6(2):119-30. doi:10.21037/acs.2017.03.14 - Pubmed
2-Blair A. Jobe, MD, Thomas R. Charles, MD, Dr. John G. Hunter, MD. Esophageal Cancer. (2009) ISBN: 9781933864174 - Google Books