GISTEsophagus - CS Lymph Nodes

Note 1: Code only regional nodes and nodes, NOS in this field. Distant nodes are coded in CS Mets at DX.
Note 2: Regional lymph nodes for any part of the esophagus fall in the range from periesophageal/cervical to the celiac region. Contralateral and bilateral cervical, supraclavicular, and mediastinal lymph nodes are included.
Note 3: Celiac nodes are coded in CS Lymph Nodes for lower thoracic (abdominal) esophagus; they are coded in CS Mets at DX for cervical and intrathoracic (upper and middle) esophagus. Cervical nodes, NOS are coded in CS Lymph Nodes for cervical esophagus; they are coded in CS Mets at DX for upper and lower thoracic (abdominal) esophagus.
Note 4: Lymph node stations/groups are listed in parentheses when applicable. See Figure 10.3 in the AJCC 7th Edition Staging Manual or Handbook for illustrations.
Note 5: Nodal metastasis is very rare in gastrointestinal stromal tumors (GISTs), and surgeons generally agree that nodal dissection is not indicated. In the absence of information on regional lymph node status, N0 is appropriate; code 999 is mapped to N0 accordingly.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	No regional lymph node involvement	N0	NA	NONE	NONE
100	Regional lymph nodes: For all subsites: Peri-/paraesophageal (8L, 8M) For cervical esophagus: Cervical, NOS: Anterior deep cervical (laterotracheal) (recurrent laryngeal) Internal jugular, NOS: Deep cervical, NOS: Upper cervical, NOS: Jugulodigastric (subdigastric) For intrathoracic esophagus, upper or middle: Internal jugular, NOS: Deep cervical, NOS: Upper cervical, NOS: Jugulodigastric (subdigastric) Middle cervical Lower cervical, NOS: Jugulo-omohyoid (supraomohyoid) Intrabronchial: Carinal (tracheobronchial) (tracheal bifurcation) (10R, 10L) Hilar (bronchopulmonary) (proximal lobar) (pulmonary root) Paratracheal (2) Left gastric (superior gastric) (17): Cardiac (cardial) Lesser curvature Perigastric, NOS Posterior mediastinal (tracheoesophageal) (3P) For intrathoracic esophagus, lower (abdominal): Left gastric (superior gastric) (17): Cardiac (cardial) Lesser curvature Perigastric, NOS Posterior mediastinal (tracheoesophageal) (3P) Subcarinal (7)	N1	NA	RN	RN
200	For cervical esophagus: Scalene (inferior deep cervical), low cervical (1) Supraclavicular (transverse cervical) (1)	N1	NA	D	RN
220	For intrathoracic esophagus, upper thoracic or middle esophagus: Superior mediastinal (2-4)	N1	NA	D	RN
250	For upper thoracic esophagus: Cervical, NOS For lower thoracic (abdominal) esophagus: Celiac (20)	N1	NA	D	D
260	OBSOLETE DATA REVIEWED AND CHANGED V0203 See code 265 and CS Mets at DX code 15 For cervical esophagus: Common hepatic (18) Diaphragmatic (15) Pulmonary ligament (9) Splenic (19) For intrathoracic esophagus, upper or middle: Common hepatic (18) Diaphragmatic (15) Splenic (19) For lower thoracic (abdominal) esophagus: Aortopulmonary (5) Pulmonary ligament (9)	ERROR	ERROR	ERROR	ERROR
265	For cervical esophagus: Diaphragmatic (15) Pulmonary ligament (9) For intrathoracic esophagus, upper or middle: Diaphragmatic (15) For lower thoracic (abdominal) esophagus: Aortopulmonary (5) Para-aortic (ascending aorta or phrenic) Subaortic Pulmonary ligament (9)	N1	NA	D	D
300	OBSOLETE DATA REVIEWED AND CHANGED V0203 See codes 000-250, 265, and 305 and CS Mets at DX codes 15 amd 55 For all esophagus subsites: Anterior mediastinal (6) Mediastinal, NOS For cervical esophagus only: Aortopulmonary (5) Paratracheal (2R,2L,4R, 4L) Posterior mediastinal (3P) Superior mediastinal For intrathoracic esophagus,upper or middle, only: Aortopulmonary (5) Pulmonary ligament (9) For intrathoracic esophagus, lower (abdominal) only: Common hepatic (18) Diaphragmatic (15) Paratracheal (2R,2L,4R,4L) Splenic (19) Superior mediastinal	ERROR	ERROR	ERROR	ERROR
305	For all esophagus subsites: Anterior mediastinal (6) Mediastinal, NOS For cervical esophagus only: Aortopulmonary (5) Paratracheal (2R,2L,4R, 4L) Posterior mediastinal (3P) Superior mediastinal For intrathoracic esophagus,upper or middle, only: Aortopulmonary (5) Pulmonary ligament (9) For intrathoracic esophagus, lower (abdominal) only: Diaphragmatic (15) Paratracheal (2R,2L,4R,4L) Superior mediastinal	N1	NA	D	D
500	Regional lymph node(s), NOS Stated as N1 with no other information on regional lymph nodes	N1	NA	RN	RN
800	Lymph nodes, NOS	N1	NA	RN	RN
999	Unknown; regional lymph nodes not stated Regional lymph node(s) cannot be assessed Not documented in patient record	N0	NA	U	U