[Evaluation of American Joint Commission on Cancer(8 edition) and Japanese Pancreas Society(7 edition)changes for T and N staging in patients with pancreatic adenocarcinoma].

Accurate staging for cancer is the basis for clinical practice, individualized treatment strategy, and prognosis determination.Recently, the T and N staging systems for pancreatic adenocarcinoma were updated by both American Joint Commission on Cancer(AJCC)8 edition and Japanese Pancreas Society 7 edition, in which more objective parameters were applied.When a large number of patients within the test set were staged, AJCC 8 edition has showed more reproducible and helped to predict the patient prognosis more accurately.