Collaborative Stage for TNM 7 - Revised 08/13/2009 [ Schema ]
| Code | Description | TNM 7th Map | TNM 6th Map | SS77 Map | SS2000 Map |
| 000 | No regional lymph node involvement | N0 | N0 | NONE | NONE |
| 100 | Regional lymph node(s): Celiac Hepatic Infrapyloric (subpyloric) Lateral aortic (lumbar) Pancreaticosplenic (pancreaticolienal) Peripancreatic, NOS: Anterior, NOS: Anterior pancreaticoduodenal Anterior proximal mesenteric Pyloric Inferior to the head and body of pancreas Posterior, NOS: Pericholedochal (common bile duct) Posterior pancreaticoduodenal Posterior proximal mesentery Superior to the head and body of pancreas Retroperitoneal Splenic (lienal), NOS Gastroepiploic (gastro-omental), left Splenic hilum Suprapancreatic Superior mesenteric Regional lymph node(s), NOS Stated as N1, NOS | N1 | N1 | RN | RN |
| 800 | Lymph nodes, NOS | N1 | N1 | RN | RN |
| 999 | Unknown; not stated Regional lymph nodes cannot be assessed Not documented in patient record | NX | NX | U | U |