CS Lymph 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 CS Mets at DX. **Note 2**: Bilateral nodes are considered regional nodes for tumors with bidirectional drainage to primary nodal basins, as shown on lymphoscintigraphy. Clinical assessment of bilateral regional nodal involvement is required for tumors where lymphoscintigraphy is not performed. **Note 3**: Contiguous or secondary nodal basins are the next nodal drainage basins beyond the primary nodal basins. Secondary basins are considered regional for AJCC staging but may be distant for Summary Stage. Use code 100 for involvement of nodes in secondary nodal basins not otherwise specified. **Note 4**: In transit metastasis is defined as a tumor distinct from the primary lesion and located either between the primary lesion and the draining regional lymph nodes or distal to the primary lesion. In transit metastasis is coded in CS Lymph Nodes. **Note 5**: Isolated tumor cells (ITCs) should be considered positive nodes. If only ITCs are present, defined as any tumor deposits in lymph nodes less than or equal to 0.2 mm, use code 010. **Note 6**: If the only information about lymph nodes is a statement of N1 involvement without a clinical or pathologic designation, use code 360.

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
010 Isolated tumor cells (ITCs) only Determine Correct Table for AJCC 7 N N0 NONE NONE
100 Regional lymph nodes (unilateral or bilateral):
Iliac, NOS:
External
Internal (hypogastric), NOS:
Obturator
Inguinal, NOS:
Deep inguinal, NOS:
Node of Cloquet or Rosenmuller (highest deep inguinal)
Superficial inguinal (femoral)
Pelvic nodes in contiguous or secondary nodal basin (see Note 2)
Regional lymph node(s), NOS
Determine Correct Table for AJCC 7 N N1 RN RN
310 Evaluated clinically:

Clinically stated as N1 with no other information on regional lymph nodes
Determine Correct Table for AJCC 7 N N1 RN RN
320 Evaluated pathologically:

Pathologically stated as N1a with no other information on regional lymph nodes
Determine Correct Table for AJCC 7 N N1 RN RN
340 Evaluated pathologically:

Pathologically stated as N1b with no other information on regional lymph nodes
Determine Correct Table for AJCC 7 N N1 RN RN
350 Evaluated pathologically:

Pathologically stated as N1 [NOS] with no other information on regional lymph nodes
Determine Correct Table for AJCC 7 N N1 RN RN
360 Stated as N1 [NOS} with no information on pathologic or clinical evaluation Determine Correct Table for AJCC 7 N N1 RN RN
390 Satellite nodule(s) or in transit metastasis, distance from primary tumor less than or equal to 2 cm or distance not stated
WITHOUT regional lymph node involvement. Includes cases with ITCs only and cases with regional lymph node involvement not stated

OR

Described as tumor with satellite nodule(s), NOS
WITHOUT regional lymph node involvement or regional lymph node involvement not stated
(See Note 4)
N2 N0 RE RE
400 Satellite nodule(s) or in transit metastasis, distance from primary tumor greater than 2 cm
WITHOUT regional lymph node involvement. Includes cases with ITCs only and cases with regional lymph node involvement not stated.

OR

Described as tumor with in transit metastasis, NOS
WITHOUT regional lymph node involvement or regional lymph node involvement not stated
(See Note 4)
N2 N1 RE RN
420 400 + 100

Satellite nodule(s) or in transit metastasis
WITH regional lymph nodes listed in code 100
(See Note 4)
N2 N1 RN RN
450 Stated as N2 with no other information on regional lymph nodes N2 N1 RE RE
800 Lymph nodes, NOS N1NOS 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
- When CS Lymph Nodes Eval is coded, for CS Lymph Nodes codes 010-360 ONLY, the N category for AJCC 7 staging is assigned based on the value of CS Lymph Nodes Eval and CS Site-Specific Factor 3, Clinical Status of Lymph Node Mets, as shown in the Lymph Node and Nodal Status Eval AJCC 7 Table. When CS Lymph Nodes Eval is blank, for CS Lymph Nodes codes 010-360 ONLY, the N category for AJCC 7 staging is assigned based on the value of CS Site-Specific Factor 3, Clinical Status of Lymph Node Mets, and Regional Nodes Positive, as shown in the Lymph Node and Nodal Status Eval Blank AJCC 7 Table.