EOD Regional Nodes

Notes

**Note 1:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets. **Note 2:** "Vocal cord paralysis," "superior vena cava syndrome," and "compression of the trachea or the esophagus" are classified as mediastinal lymph node involvement (code 400) unless there is a statement of involvement by direct extension from the primary tumor. **Note 3:** Code 800 if regional lymph nodes are involved, but there is no indication which ones are involved.
Code Description SS2018 N
000 No regional lymph node involvement NONE
300 IPSILATERAL nodes only Bronchial Hilar (bronchopulmonary) (proximal lobar) (pulmonary root) Intrapulmonary - Interlobar - Lobar - Segmental - Subsegmental Peri/parabronchial RN
400 IPSILATERAL nodes only Carinal (tracheobronchial) (tracheal bifurcation) Mediastinal, ipsilateral or NOS - Anterior - Aortic (above diaphragm), NOS + Peri/para-aortic, NOS * Ascending aorta (phrenic) + Subaortic (aortic-pulmonary window) - Inferior mediastinal + Paraesophageal + Pulmonary ligament + Subcarinal - Posterior (tracheoesophageal) - Superior mediastinal + Paratracheal (left, right, upper, low, NOS) + Prevascular + Retrotracheal - Periesophageal - Pericardial Peritracheal, NOS - Azygos (lower peritracheal) Precarinal Pretracheal, NOS RN
600 IPSILATERAL or CONTRALATERAL Low cervical Proximal root Scalene (inferior deep cervical) Sternal notch Supraclavicular (transverse cervical) D
700 CONTRALATERAL OR BILATERAL Bronchial Hilar (bronchopulmonary) (proximal lobar) (pulmonary root) Mediastinal - Anterior - Aortic (above diaphragm), NOS + Peri/para-aortic, NOS * Ascending aorta (phrenic) + Subaortic (aortic-pulmonary window) - Inferior mediastinal + Paraesophageal + Pulmonary ligament + Subcarinal - Periesophageal - Posterior (tracheoesophageal) - Pretracheal - Superior mediastinal + Paratracheal (left, right, upper, low, NOS) + Prevascular + Retrotracheal 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 medical 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) (4) Gress, D.M., Edge, S.B., Gershenwald, J.E., et al. **Principles of Cancer Staging**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017 (5) Rami-Porta, R., Asamura, H., Travis, W.D., Rusch, V.W. **Lung**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017