Advances in diagnosis, treatment and palliation of pancreatic carcinoma: 1990-2010

Table 8 American Joint Committee on Cancer staging of pancreatic cancer

AJCC 6th edition TNM staging system for pancreatic cancer
TX	Primary tumor cannot be assessed
T0	No evidence of primary tumor
Tis	Carcinoma in situ
T1	Tumor limited to the pancreas, 2 cm or less in greatest diameter
T2	Tumor limited to the pancreas, greater than 2 cm at greatest diameter
T3	Tumor extends beyond pancreas but no involvement of celiac axis or superior mestenteric artery
T4	Tumor involves the celiac axis or the superior mestenteric artery (unresectable)
NX	Regional nodes cannot be assessed
N0	No regional lymph node metastasis
N1	Regional lymph node metastasis
MX	Distant metastasis cannot be assessed
M0	No distant metastasis
M1	Distant metastasis
Stage grouping
Stage 0	Tis N0 M0	Localized within pancreas
Stage IA	T1 N0 M0	Localized within pancreas
Stage IB	T2 N0 M0	Localized within pancreas
Stage IIA	T3 N0 M0	Locally invasive, resectable
Stage IIB	T1, 2, or 3 N1 M0	Locally invasive, resectable
Stage III	T4 Any N M0	Locally advanced, unresectable
Stage IV	Any T Any N M1	Distant metastases

AJCC: American Joint Committee on Cancer.