Updates in the diagnosis and management of ductal adenocarcinoma of the pancreas

Table 2 Tumor-node-metastasis staging for pancreatic ductal adenocarcinoma of American Joint Committee on Cancer 8^th edition

Stage	Parameters
0	Tis, N0, M0
I
Ia	T1, N0, M0
Ib	T2, N0, M0
II
IIa	T3, N0, M0
IIb	T1-T3, N1, M0
III	Any T, N2, M0 or T4, any N, M0
IV	Any T, any N, M1

T: Tumor invasion; N0: Negative lymph nodes; N1: Positive 1-3 regional lymph nodes; N2: Positive ≥ 4 regional lymph nodes; M0: Without distant metastases; M1: Presence of distant metastases.