FIGURE 1.

Anatomical portions of the pancreas. Reprinted with permission from the Japan Pancreas Society and Kanehara & Co., Ltd.: Japanese Classification of Pancreatic Carcinoma, eighth edition, 2023. The border between the pancreatic head and body is defined as the left side of the SMV and PV. The neck of the pancreas (the part anterior to the SMV and PV) and the uncinate process are included in the pancreatic head. The border between the pancreatic body and tail is defined as the left border of the abdominal aorta. Pb, pancreatic body; Ph, pancreatic head; Pt, pancreatic tail; PV, portal vein, SMA, superior mesenteric artery; SMV, superior mesenteric vein; UP, uncinate process.