TNM classification of pancreatic cancer.
| T | Infiltration depth of the tumor |
| T1 | <2 cm greatest extent, confined to pancreas (pancreas) only |
| T2 | > 2 cm largest extension, limited to pancreas only |
| T3 | Spread beyond pancreas |
| T4 | Spread to truncus coeliacus or superior mesenteric artery |
| N | Lymph node involvement |
| N0 | No lymph node metastases |
| N1 | Lymph node metastases |
| M | Metastases |
| M0 | No distant metastases |
| M1 | Distant metastases |
TNM classification for staging
| Stage | TNM stages | ||
| I | T1 | N0 | M0 |
| T2 | N0 | M0 | |
| II | T3 | N0 | M0 |
| T1 T2 T3 | N1 N1 | M0 M0 | |
| III | T4 | N0 N1 | M0 M0 |
| IV | Any T | Any N | M1 |
