Pancreatic Neuroendocrine Tumor pT4 TNM Finding v9

**Semantic type:** Finding

**Definition:** Pancreatic neuroendocrine tumor invading adjacent organs (stomach, spleen, colon, adrenal gland) or the wall of large vessels (celiac axis, superior mesenteric artery/vein, splenic artery/vein, gastroduodenal artery/vein, portal vein). (from AJCC 9th Ed.)