EOD Regional Nodes

This input is used for staging

Notes

**Note 1:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets. **Note 2:** Code 800 if regional lymph nodes are involved, but there is no indication which ones are involved.

Default

999

NAACCR Item

NAACCR #774

Code	Description	SS2018 N
000	No regional lymph node involvement	NONE
300	Aortic (above diaphragm), NOS - Ascending aorta (phrenic) - Peri/para-aortic - Subaortic (aortico-pulmonary window) Carinal (tracheobronchial) (tracheal bifurcation) Hilar (ipsilateral) - Bronchopulmonary - Proximal lobar - Pulmonary root Intercostal Internal mammary (parasternal) Intrapulmonary - Interlobar - Lobar - Segmental - Subsegmental Mediastinal, NOS (ipsilateral) - Anterior - Posterior (tracheoesophageal) Pericardial Peri/parabronchial Peri/paraesophageal (below carina) Peri/paratracheal (lower [azygos], upper, NOS) Pretracheal and retrotracheal (precarinal), NOS Prevascular Pulmonary ligament Subcardial Subcarinal	RN
700	Hilar (contralateral, bilateral) - Bronchopulmonary - Proximal lobar - Pulmonary root Mediastinal (contralateral, bilateral) - Anterior - Posterior (tracheoesophageal) Peridiaphragmatic (ipsilateral, contralateral) - Mediastinal Scalene (ipsilateral, contralateral) - Inferior deep cervical Supraclavicular (ipsilateral or contralateral) - Transverse cervical	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) Rusch, V.W., et al. **Malignant Plural Mesothelioma**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017