Stage

Size of ball (T)

Lymph node

Other organs

2a

T3
Tumor extends beyond pancreas but does not involve the major nerves and blood

N0
Lymph node is not affected

M0
Distant areas are not affected

2b

T1, T2 or T3
Tumor of any size but major nerves and blood vessels are not affected

to

N1
Cancer cells spread to lymph nodes

M0
Distant areas are not affected