0 |
In situ, intraepithelial, noninvasive
- In situ: noninfiltrating; intraepithelial
- Intraductal WITHOUT infiltration
- Lobular neoplasia, grade 3 (LIN 3)
- Paget disease, in situ
|
1 |
Localized only (localized, NOS)
- Confined to breast tissue and fat including nipple and/or areola
- Paget disease WITH or WITHOUT underlying tumor
|
2 |
Regional by direct extension only
- Attachment or fixation to pectoral muscle(s) or underlying tumor
- Chest wall
- Deep fixation
- Extensive skin involvement WITH or WITHOUT dermal lymphatic filtration
- Edema of skin
- En cuirasse
- Erythema
- Inflammation of skin
- Lenticular nodule(s)
- Peau d'orange ("pigskin")
- Satellite nodules
- Skin edema
- Ulceration of skin of breast
- Inflammatory carcinoma, NOS
- Intercostal or serratus anterior muscle(s)
- Ipsilateral rib(s) (contiguous extension only, for discontiguous extension, see code 7)
- Local infiltration of dermal lymphatics adjacent to primary tumor involving skin by direct extension
- Pectoral fascia or muscle(s)
- Subcutaneous tissue
- Skin infiltration of primary breast including skin of nipple and/or areola
|
3 |
Regional lymph node(s) involved only
- Axillary, NOS (ipsilateral)
- Level I (low-axilla) (low) (superficial), NOS [adjacent to tail of breast]
- Anterior (pectoral)
- Lateral (brachial)
- Posterior (subscapular)
- Level II (mid-axilla) (central), NOS
- Level III (high) (deep), NOS
- Apical (subclavian)
- Axillary vein
- Fixed/matted axillary (level I and II) (ipsilateral)
- Infraclavicular (subclavicular) (ipsilateral)
- Internal mammary (parasternal) (ipsilateral)
- Intramammary (ipsilateral)
- Regional lymph node(s), NOS
|
4 |
Regional by BOTH direct extension AND regional lymph node(s) involved
|
7 |
Distant site(s)/lymph node(s) involved
- Distant site(s) (including further contiguous extension)
- Adrenal (suprarenal) gland
- Bone, including contralateral ribs
- Contralateral (opposite) breast-if stated as metastatic
- Ipsilateral rib(s) (discontiguous extension only, see code 2 for contiguous extension)
- Lung
- Ovary
- Satellite nodule(s) in skin other than primary breast
- Skin over
- Axilla
- Contralateral (opposite) breast
- Sternum
- Upper abdomen
- Distant lymph node(s), NOS
- Axillary (contralateral or bilateral)
- Cervical, NOS
- Fixed/matted axillary (level I and II) (contralateral or bilateral)
- Infraclavicular (subclavicular) (contralateral or bilateral)
- Internal mammary (parasternal) (contralateral or bilateral)
- Intramammary (parasternal) (contralateral or bilateral)
- Supraclavicular (transverse cervical) (ipsilateral, contralateral or bilateral)
- Distant metastasis, NOS
- Carcinomatosis
- Distant metastasis WITH or WITHOUT distant lymph node(s)
|
9 |
Unknown if extension or metastasis
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