Stage

Tumor

Node

Metastases

0

Tis

Carcinoma in situ

N0

No nodal metastases

M0

No metastases

IA

T1

Limited to pancreas

<2 cm dimension

IB

T2

Limited to pancreas

>2 cm dimension

IIA

T3

Beyond pancreas

No celiac axis/SMA involvement

IIB

T1, T2, or T3

N1

Regional node metastases

III

T4

Involves celiac axis or SMA

Any N

IV

Any T

M1

Distal metastases