CS Lymph Nodes

This input is used for staging

Notes

**Note**: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in CS Mets at DX. Peridiaphragmatic nodes are classified as regional nodes in AJCC 7 staging. They are now coded in CS Lymph Nodes.

Default

999

NAACCR Item

NAACCR #2830
Code Description AJCC 7 N TNM 6 N Summary Stage 1977 N Summary Stage 2000 N
000 No regional lymph node involvement N0 N0 NONE NONE
100 Regional lymph nodes, ipsilateral, intrapulmonary:
Hilar:
Bronchopulmonary
Proximal lobar
Pulmonary root
Intrapulmonary:
Interlobar
Lobar
Segmental
Subsegmental
Peri/parabronchial		 N1 N1 RN RN
110 Stated as N1 with no other information on regional lymph nodes N1 N1 RN RN
200 OBSOLETE DATA RETAINED AND REVIEWED V0203
See codes 210, 220, 230, 250

Regional lymph nodes, ipsilateral, mediastinal:
Aortic [above diaphragm], NOS:
Aorto-pulmonary window
Ascending aorta
Peri/para-aortic
Phrenic
Subaortic
Carinal:
Tracheobronchial
Tracheal bifurcation
Internal mammary (parasternal)
Mediastinal, NOS:
Anterior
Posterior (tracheoesophageal)
Pericardial
Peri/paraesophageal [below carina]
Peri/paratracheal, NOS:
Lower peritracheal (azygos)
Upper paratracheal
Pretracheal and retrotracheal, NOS:
Precarinal
Prevascular
Pulmonary ligament
Subcardial
Subcarinal
Peridiaphragmatic
Stated as N2		 N2 N2 RN RN
210 Regional lymph nodes, ipsilateral, mediastinal:
Aortic (above diaphragm), NOS:
Aorto-pulmonary window
Ascending aorta
Peri/para-aortic
Phrenic
Subaortic
Carinal:
Tracheobronchial
Tracheal bifurcation
Internal mammary (parasternal)
Mediastinal, NOS:
Anterior
Posterior (tracheoesophageal)
Pericardial
Peri/paraesophageal (below carina)
Peri/paratracheal, NOS:
Lower peritracheal (azygos)
Upper paratracheal
Pretracheal and retrotracheal, NOS:
Precarinal
Prevascular
Pulmonary ligament
Subcardial
Subcarinal		 N2 N1 RN RN
220 Regional lymph nodes, ipsilateral, mediastinal:
Peridiaphragmatic		 N2 N0 D D
230 220 + (100, 210) N2 N1 D D
250 Stated as N2 with no other information on regional lymph nodes N2 N2 RN RN
500 Regional lymph nodes, NOS N1 N1 RN RN
700 Contralateral or bilateral nodes specified in codes 100, 210, 220 or 230
Ipsilateral, contralateral or bilateral nodes:
Scalene (inferior deep cervical)
Supraclavicular (transverse cervical)

Stated as N3 with no other information on regional lymph nodes		 N3 N3 D D
800 Lymph nodes, NOS N1 N1 RN RN
999 Unknown; regional lymph nodes not stated
Regional lymph nodes cannot be assessed
Not documented in patient record		 NX NX U U