CD8A and pancreatic neuroendocrine tumor: Radiomics, offering better disease characterization by extracting high-dimensional features beyond visual assessment (34), has been a promising method to evaluate the infiltration levels of CD8+ T-cells in patients with PDAC (35), the differential diagnosis of mass-forming pancreatitis from PDAC (36), and the grade of nonfunctioning pancreatic neuroendocrine tumors (37).