label: Stage IIB Digestive System Neuroendocrine Tumor AJCC v7
label_lc: stage iib digestive system neuroendocrine tumor ajcc v7
description: Stage IIB includes: T3, N0, M0.  T3: Stomach: tumor penetrates subserosa; jejunum/ileum: tumor invades through the muscularis propria into subserosal tissue without penetration of overlying serosa or invades into non-peritonealized tissues; ampulla/duodenum: tumor invades pancreas or retroperitoneum or into non-peritonealized tissues; colon or rectum: tumor invades through the muscularis propria into the subserosa, or into non-peritonealized pericolic or perirectal tissues. N0: No regional lymph node metastasis.  M0: No distant metastasis. (AJCC 7th ed.)