Derived Summary Stage 2018: Breast

Derived Summary Stage 2018

Default

9

NAACCR Item

NAACCR #762
SS2018 Description
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 * Interpectoral (Rotter's) + 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 + Lymph node(s), NOS
4 Regional by BOTH direct extension AND regional lymph node(s) involved - Codes (2) + (3)
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