Collaborative Stage for TNM 7 - Revised 11/29/2009 [ Schema ]
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | None; no regional lymph node involvement | N0 | N0 | NONE | NONE |
| 100 | Regional lymph nodes: Cystic duct (node of the neck of the gallbladder) (Calot's node) Hepatic Hilar (in the hepatoduodenal ligament) Node of the foramen of Winslow (omental) (epiploic) Pericholedochal (node around common bile duct) Periportal Porta hepatis (portal) (hilar) (in hilus of liver) Regional lymph nodes, NOS | N1 | N1 | RN | RN |
| 150 | OBSOLETE DATA RETAINED V0200 (See codes 100 and 300) Regional lymph nodes: Cystic duct (node of the neck of the gallbladder) (Calot's node) Hepatic Hilar (in the hepatoduodenal ligament) Node of the foramen of Winslow (omental) (epiploic) Pancreaticoduodenal (N2) Pericholedochal (node around common bile duct) Periduodenal (N2) Peripancreatic (near head of pancreas only) (N2) Periportal Porta hepatis (portal) (hilar) (in hilus of liver) Regional lymph nodes, NOS | ERROR | N1 | RN | RN |
| 200 | Stated as N1 NOS | N1 | N1 | RN | RN |
| 300 | Regional lymph nodes: Pancreaticoduodenal Periduodenal Peripancreatic (near head of pancreas only) | N2 | N1 | RN | RN |
| 310 | (300) + (100) | N2 | N1 | RN | RN |
| 350 | Regional lymph nodes: Celiac Superior mesenteric | N2 | N1 | D | D |
| 360 | (350) + (100) | N2 | N1 | D | D |
| 400 | Stated as N2 NOS | N2 | N1 | RN | RN |
| 800 | Lymph nodes, NOS | N1 | N1 | RN | RN |
| 999 | Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in patient record | NX | NX | U | U |