Stage
Size of ball (T)
Lymph node
Other organs
T1
Tumor limited to pancreas, lesser than 20 mm in greatest dimension
N0
Lymph node is not affected
M0
Distant areas are not affected
1b
T2
Tumor limited to pancreas, greater than 20 mm in greatest dimension.
N0
Lymph node is not affected
M0
Distant areas are not affected