NCIt related terms : Stage IIA Digestive System Neuroendocrine Tumor;
NCIt definition : Stage IIA includes: T2, N0, M0. T2: Stomach/ duodenum /jejunum/ileum: tumor invades
muscularis propria or is more than 1 cm in size; ampulla: tumor is more than 1 cm
in size; colon or rectum: tumor invades muscularis propria or is more than 2 cm in
size with invasion of lamina propria or submucosa. N0: No regional lymph node metastasis.
M0: No distant metastasis. (AJCC 7th ed.);