Tol et al reported a nomogram for a patient with pancreatic or periampullary cancer. These can help to identify a patient who may benefit from more aggressive management. The authors are from Academic Medical Centre Amsterdam in The Netherlands.
Patient selection: pancreatic or periampullary cancer
Parameters:
(1) adjuvant treatment
(2) resection margin R0 or R1 (tumor within 1 mm of margin)
(3) tumor differentiation
(4) lymph node ratio
lymph node ratio =
= (number of lymph nodes with metastases) / (total number of lymph nodes examined)