NCIt related terms : Stage IIA Colon Neuroendocrine Tumor;
NCIt definition : Stage IIA includes: T2, N0, M0. T2: Tumor invading the muscularis propria or measuring
more than 2 cm with invasion of the lamina propria or submucosa. N0: No regional lymph
node metastasis. M0: No distant metastasis. (AJCC 8th ed.);