The postoperative pathology suggests that the pancreatic lesion is a neuroendocrine tumor, with G3 and Ki67 being 23%, SSTR2(-), PD-1(-), PD-L1(22C3)(CPS = 0), PD-L1(22C3Neg)(-), and the tumor size being 10 × 7 × 5cm. This evidence concerns the gene CD274 and neoplasm.