Breast Cancer American Joint Committee on Cancer (AJCC) Edition 7 Clinical Regional Lymph Node N Stage

General Details:

Name:
Breast Cancer American Joint Committee on Cancer (AJCC) Edition 7 Clinical Regional Lymph Node N Stage
Steward:
NCI
Definition:
Extent of the regional lymph node involvement for the breast carcinoma based on evidence obtained from clinical assessment parameters determined prior to treatment.
Registration Status:
Retired

Permissible Values:

Data Type:
Value List
Unit of Measure:
Ids:
Value Code Name Code Code System Code Description
N0 Breast Cancer cN0 TNM Finding C73347 NCI Thesaurus Breast cancer with no regional lymph node metastasis. (from AJCC 6th and 7th Eds.)
N1 Breast Cancer cN1 TNM Finding C73348 NCI Thesaurus Breast cancer with metastasis to movable ipsilateral level I, II axillary lymph node(s). (from AJCC 6th and 7th Eds.)
N2 Breast Cancer cN2 TNM Finding v7 C88368 NCI Thesaurus Breast cancer with metastases in ipsilateral level I, II axillary lymph nodes that are clinically fixed or matted; or in clinically detected ipsilateral internal mammary nodes in the absence of clinically evident axillary lymph node metastases. "Clinically detected" is defined as detected by imaging studies (excluding lymphoscintigraphy) or by clinical examination and having characteristics highly suspicious for malignancy or a presumed pathologic macrometastasis based on fine needle aspiration biopsy with cytologic examination. (from AJCC 7th Ed.)
N2a Breast Cancer cN2a TNM Finding C73350 NCI Thesaurus Breast cancer with metastases in ipsilateral level I, II axillary lymph nodes fixed to one another (matted) or to other structures. (from AJCC 6th and 7th Eds.)
N2b Breast Cancer cN2b TNM Finding v7 C88369 NCI Thesaurus Breast cancer with metastases only in clinically detected ipsilateral internal mammary nodes and in the absence of clinically evident level I, II axillary lymph node metastases. "Clinically detected" is defined as detected by imaging studies (excluding lymphoscintigraphy) or by clinical examination and having characteristics highly suspicious for malignancy or a presumed pathologic macrometastasis based on fine needle aspiration biopsy with cytologic examination. (from AJCC 7th Ed.)
N3 Breast Cancer cN3 TNM Finding v7 C88370 NCI Thesaurus Breast cancer with metastases in ipsilateral infraclavicular (level III) axillary lymph node(s) with or without level I, II axillary lymph node involvement; or in clinically detected ipsilateral internal mammary lymph node(s) with clinically evident level I, II axillary lymph node metastases; or metastases in ipsilateral supraclavicular lymph node(s) with or without axillary or internal mammary lymph node involvement. (from AJCC 7th Ed.)
N3a Breast Cancer cN3a TNM Finding C73353 NCI Thesaurus Breast cancer with metastasis in ipsilateral infraclavicular lymph node(s). (from AJCC 6th and 7th Eds.)
N3b Breast Cancer cN3b TNM Finding C73354 NCI Thesaurus Breast cancer with metastasis in ipsilateral internal mammary lymph node(s) and axillary lymph node(s). (from AJCC 6th and 7th Eds.)
N3c Breast Cancer cN3c TNM Finding C73355 NCI Thesaurus Breast cancer with metastasis in ipsilateral supraclavicular lymph node(s). (from AJCC 6th and 7th Eds.)
NX Breast Cancer cNX TNM Finding C73346 NCI Thesaurus Breast cancer in which regional lymph nodes cannot be assessed. (from AJCC 6th and 7th Eds.)

Designations:

Designation:
Breast Cancer American Joint Committee on Cancer (AJCC) Edition 7 Clinical Regional Lymph Node N Stage
Tags:
Long Name
Designation:
Clinical N Stage
Tags:
Preferred Question Text
Designation:
Clinical Nodal staging based on physical exam or imaging:
Tags:
Alternate Question Text

Designations:

Definition:
Extent of the regional lymph node involvement for the breast carcinoma based on evidence obtained from clinical assessment parameters determined prior to treatment.
Tags:
Long Name
Definition:
Clinical N Stage
Tags:
Preferred Question Text
Definition:
DCP Text 1
Tags:
Alternate Question Text

Properties:

Key:
caDSR_Context
Value:
NCI Standards
Key:
caDSR_Short_Name
Value:
2188688v1.0:3419239v2.0
Key:
C3D Name
Value:
BR_AJCC_CLIN_N_STG

Identifiers:

Source:
NLM
Id:
QJggzka7Jyg
Version:
2
Source:
caDSR
Id:
3419389
Version:
2