Boecker W et al. Adenosquamous Carcinoma of the Pancreas Comprise a Heterogeneous Group of Tumors With the Worst Outcome: A Clinicopathological Analysis of 25 Cases Identified in 562 Pancreatic Carcinomas Resected With Curative Intent. Pancreas 2020; May/Jun 2020;49(5):683-691. doi: 10.1097/MPA.0000000000001548