Collaborative Stage

Note 1: Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in the field Mets at DX.
Note 2: Satellite lesions/nodules or in-transit metastasis are coded under CS Lymph Nodes.
Note 3: Use codes 100-120 if there is regional node involvement without satellite nodule(s) or in-transit metastases. Use codes 130-150 if there are satellite nodule(s) or in-transit metastases but there is either no regional lymph node involvement, or involvement of regional nodes is not stated. Use codes 200-220 if both satellite nodules(s)/in-transit metastases and regional lymph node(s) are present.
Note 4: According to AJCC, "there is no lower threshold of tumor burden defining the presence of regional nodal metastasis. Specifically, nodal tumor deposits less than 0.2 mm in diameter (previously used as the threshold for defining nodal metastasis), are included in the staging of nodal disease as a result of the consensus that smaller volumes of metastatic tumor are still clinically significant". This means that any finding of melanoma in lymph nodes, regardless of size and including Isolated Tumor Cells (ITCs), should be coded positive lymph nodes in this field.

^ For codes 100, 120, and 800 ONLY, the N category depends on the values in Reg LN Pos and SSF 3, as shown in the CS Nodes Pos and Clinical Status table.
* For codes 100, 120, and 800 ONLY, the N category depends on the values in Reg LN Pos and SSF 3, as shown in the CS Nodes Pos and Clinical Status table.

Code	Description	TNM 7 Map	TNM 6 Map	SS77 Map	SS2000 Map
000	None; no regional lymph node involvement	N0	N0	NONE	NONE
100	Regional lymph nodes by primary site: (includes bilateral or contralateral nodes for head, neck, and trunk) HEAD AND NECK SITES: All subsites: Cervical, NOS Lip: Mandibular, NOS: Submandibular(submaxillary) Eyelid/canthus: Facial, NOS: Buccinator (buccal) Nasolabial Mandibular, NOS: Submandibular (submaxillary) Parotid, NOS: Infra-auricular External ear/auditory canal: Mastoid (post-/retro-auricular) (occipital) Preauricular Face, Other (cheek, chin forehead, jaw, nose and temple): Facial, NOS: Buccinator (buccal) Nasolabial Mandibular, NOS: Submandibular (submaxillary) Parotid, NOS: Infra-auricular Preauricular Scalp: Mastoid (post-/retro-auricular) (occipital) Parotid, NOS: Infra-auricular Preauricular Spinal accessory (posterior cervical) Neck: Axillary Mandibular, NOS Mastoid (post-/retro-auricular) Parotid, NOS: Infra-auricular Preauricular Spinal accessory (posterior cervical) Supraclavicular (transverse cervical) UPPER TRUNK: Axillary Cervical Internal mammary Supraclavicular LOWER TRUNK: Superficial inguinal (femoral) ARM/SHOULDER: Axillary Epitrochlear for hand/forearm Spinal accessory (posterior cervical) for shoulder LEG/HIP: Popliteal for heel and calf Superficial inguinal (femoral) VULVA/PENIS/SCROTUM: Deep inguinal: Rosenmuller or Cloquet node Superficial inguinal (femoral) ALL SITES: Regional lymph node(s), NOS	^	*	RN	RN
120	Regional lymph node(s) by primary site: HEAD AND NECK SITES: Lip: Facial, NOS Buccinator (buccal) Nasolabial Mandibular, NOS Submental Parotid, NOS Infra-auricular Preauricular Eyelid/canthus: Facial, NOS: Mandibular, NOS Submental Face, Other (cheek, chin, forehead, jaw, nose, and temple): Mandibular, NOS Submental Neck: Mandibular, NOS Submental	^	*	D	RN
125	Stated as N1 [NOS] with no other information on nodes	N1NOS	N1NOS	RN	RN
130	Satellite nodule(s) or in-transit metastases, NOS (distance from primary tumor not stated) WITHOUT regional lymph node involvement or involvement of regional nodes not stated.	N2c	N2c	RE	RE
140	Satellite nodule(s) or in-transit metastases less than or equal to 2cm from primary tumor WITHOUT regional lymph node involvement or involvement of regional nodes not stated.	N2c	N2c	RE	RE
150	Satellite nodule(s) or in-transit metastases greater than 2cm from primary tumor WITHOUT regional lymph node involvement or involvement of regional nodes not stated.	N2c	N2c	RE	RN
155	Stated as N2 [NOS] with no other information on nodes	N2NOS	N2NOS	RN	RN
170	Matted lymph nodes in code 100	N3	N3	RN	RN
180	Matted lymph nodes in code 120	N3	N3	D	RN
200	Satellite nodule(s) or in-transit metastases WITH regional lymph nodes listed in code 100.	N3	N3	RE+RN	RE+RN
220	Satellite nodule(s) or in-transit metastases WITH regional lymph nodes listed in code 120.	N3	N3	D	RE+RN
225	Stated as N3 with no other information on nodes	N3	N3	RN	RN
800	Lymph nodes, NOS	^	*	RN	RN
999	Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in patient record	NX	NX	U	U

MelanomaSkin

CS Lymph Nodes