Copyright ©The Author(s) 2021.
World J Gastrointest Oncol. Jun 15, 2021; 13(6): 550-559
Published online Jun 15, 2021. doi: 10.4251/wjgo.v13.i6.550
Table 1 Staging of pancreatic cancer (from the American Joint Committee on Cancer Staging Manual, 8th edition[45])
IALimited to pancreas, greatest dimension: ≤ 2 cm
IBLimited to pancreas, greatest dimension: ≥ 2 cm
IIAThe greatest dimension is > 4 cm but there is no metastasis or lymph node involvement
IIBThe greatest dimension is ≤ 2 cm to > 4 cm but the cancer has spread to 1-3 regional lymph nodes
IIIThe greatest dimension is > 4 cm and there are 4 or more lymph nodes involved or the tumor has invaded the celiac axis, superior mesenteric artery, and/or common hepatic artery, regardless of tumor size or lymph nodes involved. The tumor is unresectable
IVMetastasis to distant sites, regardless of size or number of lymph nodes involved. Metastasis of pancreatic cancer occurs mainly in the liver, peritoneum, and lungs