EOD Regional Nodes


**Note 1:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets. **Note 2:** Regional nodes includes bilateral and contralateral involvement of named nodes.
Code Description SS2018 N
000 No regional lymph node involvement NONE
300 Celiac Cystic duct (node of Calot) Node of foramen of Winslow (epiploic) (omental) Pancreaticoduodenal Pericholedochal (common bile duct) Periduodenal Peripancreatic (near head of pancreas only) Porta hepatis (portal) (periportal) (hilar) Superior mesenteric RN
700 Para-aortic Peripancreatic (along body and tail of pancreas only) D
800 Regional lymph node(s), NOS Lymph node(s), NOS RN
999 Unknown; regional lymph node(s) not stated Regional lymph node(s) cannot be assessed Not documented in patient record Death Certificate Only U
(1) Fritz AG, Ries LAG (eds). **SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998)**, National Cancer Institute, NIH Pub. No. 98-2313, Bethesda, MD, 1998 (2) Young JL Jr, Roffers SD, Ries LAG, Fritz AG, Hurlbut AA (eds.). **SEER Summary Staging Manual-2000: Codes and Coding Instructions**, National Cancer Institute, NIH Pub. No. 01-4969, Bethesda, MD, 2001. (3) Collaborative Stage Work Group of the American Joint Committee on Cancer. **Collaborative Stage Data Collection System User Documentation and Coding Instructions, version 02.05**. American Joint Committee on Cancer (Chicago, IL)