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