EOD Regional Nodes
Notes
**Note 1:** **Regional nodes and nodes, NOS**
* Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets.
**Note 2:** **Lymph nodes, NOS**
* 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 |
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
