Serum CA 19-9 and risk of high-grade dysplasia/invasive carcinoma in intraductal papillary mucinous neoplasms of the pancreas: an overlooked high-risk feature? - Servin-Rojas, M.; Narayan, R.R.; Fernandez-Del Castillo, C.; Ferrone, C.R.; Rocha-Castellanos, D.; Lillemoe, K.D.; Qadan, M. (HPB (1365-182X), 2023)