label: Stage I Rectal Neuroendocrine Tumor AJCC v9
label_lc: stage i rectal neuroendocrine tumor ajcc v9
description: Stage I includes: T1, NX, N0, M0. T1: Tumor invades the mucosa or submucosa and measures 2 cm or less in greatest dimension. NX: Regional lymph nodes cannot be assessed. N0: No involvement of regional lymph node(s). M0: No distant metastasis. (AJCC 9th ed.)