How many breast cancer stages are there?

5 (zero thru four) The stage of breast cancer is based predominantly on the size of the cancer and lymph node (ln) involvement. Stage 0 is pre-cancer (carcinoma-in-situ); stage 1 is small cancers +/- microscopic ln; stage 2 is larger cancers+/-overt ln involvement; stage 3 is cancer involving the skin or chest wall+/-many lns or those away from the armpit; stage 4 is cancer elsewhere in the body (metastatic disease).
Staging poster. http://www.cancerstaging.org/staging/posters/breast12x15.pdf.
Four. Stage i and ii are called loco-regional (confined to the breast and the axillary area) and stage iii and IV spreads to more distant areas.

Related Questions

Is there anyone offering to give free breast cancer exams as a regular program, anywhere in the u.S.?

Yes. There are some federally supported programs sponsored in different states. Here in nevada there is a free annual screening program for uninsured women over age 40 to have free breast and cervical cancer screening. But it does not include treatment if a condition is identified. Read more...
Am Cancer Society. Contact your local american cancer society office. They ususally support free screening mammograms at health fares, and other opportunities. Additionally, your local health department may advise you on free screening locations. Read more...

What are the rates of prostate cancer and breast cancer in the U.S.?

Cancer rates. The chance of developing an invasive breast cancer during a woman's lifetime is 1 in 8. The chance of developing prostate cancer is about 1 out of every 7 men. About 80% of men over 80 years hold have prostate cancer. Read more...

B feeding for 16 months and am down to 1xday. Been having weird sensation on rt breast lately now worried about breast cancer. Age 44, clear u/s?

Keep checking. The patient may sense, or feel something before we do! if ultrasound negative that is a good sign for no cysts or large mass. Some congestion and pressure can occur with weaning. Talk to your OB or lactation person. Read more...
Need for examination. It is not feasible to provide a meaningful opinion without examining you and your symptoms warrant evaluation by a physician. Read more...

How’s an aromatase inhibitor used for breast cancer?

It is an anti- Estrogen used in women after menopause, with tumors that have an estrogen receptor. It is not useful if eh ovaries are generating scads of estrogen. And tumors without er do not respond to estrogen maneuvers. It also may be useful as a preventive in older women with in situ cancers, but tamoxifen is standard. Read more...
Hormonal therapy. Aromatase inhibitors are a form of hormonal therapy for post menopausal patients. They are effective only in er+ cases. They block the conversion of other hormones to estrogen via the enzyme aromatase. In premenopausal patients they actually stimulate the ovaries to increase estrogen production. Hormonal therapy is systemic treatment, reduces local recurrence, and reduces risk of 2nd primaries. Read more...