Breast Cancer Facts

The Basics

  • Every woman is at risk for breast cancer, no matter what her age or family history.
  • Breast cancer is the most common cancer among adult women of all ages.
  • In California alone, 21,325 women are diagnosed with breast cancer each year.
  • Nearly 95% of women who are diagnosed with breast cancer at an early stage survive for more than 5 years.
  • Mammography can prevent thousands of breast cancer deaths each year through early detection.

Risk Factors

1. Gender

  • The primary risk factor for breast cancer is being a woman.

2. Age

  • Women aged 40 and over, in particular:
  • Caucasian women ages 45 and over.
  • Black women ages 40 and over.

3. Genetics

  • Identification of BRCA 1 and BRCA 2 cancer genes.
  • Inherited genetic mutations for breast cancer.

4. Hormonal Exposure

  • Early onset of menstruation (age 12 or younger).
  • Late onset of menopause (age 50 or older).
  • No full-term pregnancies.
  • No children or first child after age 30.

5. Family History

  • Mother, sister(s), aunt(s), grandmother(s), or daughter(s) with a history of breast cancer.

6. Personal History and Lifestyle

  • Precancerous condition diagnosed on breast biopsy.
  • Nodular densities on mammogram.
  • History of cancer of the endometrium, ovary, or colon.
  • Excessive alcohol consumption (three or more drinks per day).
  • Obesity (Body Mass Index is >30 or approximately more than 20% over ideal body weight).
  • Physical inactivity.

Symptoms

  • Breast lump, swelling, skin irritation or dimpling, pain, retraction, redness, scaliness, or discharge.

Guidelines for Detection

Ages 20 - 39

  • Monthly breast self-exam.
  • Annual clinical breast exam by a doctor or nurse.

Ages 40 +

  • Monthly breast self-exam.
  • Annual clinical breast exam by a doctor or nurse.
  • Annual mammography.

Questions

You may be eligible for free services. If you live in Fresno, Kern, Mariposa, Merced, Stanislaus, Tulare, or Tuolumne counties, call the Cancer Detection Programs: Every Woman Counts! at 1-800-511-2300 for eligibility requirements, or your American Cancer Society office at 1-800-ACS-2345.

 

 

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