n: number; IQR: interquartile range; IPMN: intraductal papillary mucinous neoplasm; MCN: mucinous cystic neoplasm; SCN: serous cystadenoma; pNET: pancreatic neuroendocrine tumor; SPN: solid papillary neoplasm; CEA: carcinoembryonic antigen. The gene discussed is CEACAM5; the disease is severe congenital neutropenia.