Abstract
Tumors arising at the esophagogastric junction, or arising in the stomach ≤5 cm from the esophagogastric junction and crossing the esophagogastric junction are staged using the TNM system for esophageal adenocarcinoma (see Chap. 10) T categories have been modified to harmonize with T categories of the esophagus and small and large intestine T1 lesions have been subdivided into T1a and T1b T2 is defined as a tumor that invades the muscularis propria T3 is defined as a tumor that invades the subserosal connective tissue T4 is defined as a tumor that invades the serosa (visceral peritoneum) or adjacent structures
(Lymphomas, sarcomas, and carcinoid tumors [low-grade neuroendocrine tumors] are not included)
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© 2012 American Joint Committee on Cancer
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Compton, C.C., Byrd, D.R., Garcia-Aguilar, J., Kurtzman, S.H., Olawaiye, A., Washington, M.K. (2012). Stomach. In: Compton, C., Byrd, D., Garcia-Aguilar, J., Kurtzman, S., Olawaiye, A., Washington, M. (eds) AJCC Cancer Staging Atlas. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-2080-4_11
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DOI: https://doi.org/10.1007/978-1-4614-2080-4_11
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