Collaborative Stage Data Set - Revised 08/07/2013 FINAL
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | No regional lymph node involvement | N0 | * | NONE | NONE |
| 100 | OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 000 and 110 and CS Mets at DX codes 05, 07, 20, and 45 Regional lymph nodes: Celiac Gastroepiploic (gastro-omental), left Hepatic Infrapyloric (subpyloric) Lateral aortic (lumbar) 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 Superior mesenteric Regional lymph node(s), NOS | N1 | N1 | RN | RN |
| 110 | Regional lymph nodes: Hepatic Lateral aortic (lumbar) 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 Pyloric: Infrapyloric Retropyloric Suprapyloric Subpyloric Retroperitoneal Superior mesenteric Regional lymph node(s), NOS | N1 | N1 | RN | RN |
| 200 | OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 000 and 110 and CS Mets at DX codes 07, 20, 45 Pancreaticosplenic (pancreaticolienal) Splenic (lienal), NOS Superior hilum Suprapancreatic | N1 | N1 | D | D |
| 250 | Stated as N1 with no other information on regional lymph nodes | N1 | N1 | RN | RN |
| 800 | Lymph nodes, NOS | N1 | N1 | RN | RN |
| 999 | Unknown; regional lymph nodes not stated Regional lymph nodes cannot be assessed Not documented in patient record | NX | * | U | U |