Table 1.

Staging of pancreatic cancer

Stage	TNM classification	Clinical classification	5-year percent survival (mo)
Stage 0	TisN0M0	Resectable
StageIA	T1N0M0	Initial	31.4
StageIB	T2N0M0		27.2
Stage IIA	T3N0M0		15.7
Stage IIB	TXN1M0	Locally advanced	7.7
Stage III	T4NXM0		6.8
Stage IV	TXNXM1	Metastatic	2.8

Tis: Cancer in situ: T: Size and/or extent of invasion; N: Extent of lymph node involvement; M: Whether distant metastases are present.