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Breast Cancer

Breast Cancer InfographicBreast cancer is the second-deadliest cancer among American women. In addition to adopting a healthy lifestyle, early detection with regular mammograms remains the most effective way to combat the disease. Steady declines in mortality among women since 1989 have been attributed to a combination of early detection and improvements in treatment.

Statistics

  • In the U.S., one in eight women will be diagnosed with invasive breast cancer during her lifetime.
  • In the U.S. in 2022, 287,850 women and 2,710 men are expected to be diagnosed with invasive breast cancer.
  • In 2022, breast cancer is expected to claim the lives of 43,250 women and 530 men in the U.S.
  • In Texas in 2022, an estimated 20,113 new cases of female and male breast cancer are expected, with 3,449 deaths.

Risk Factors

  • Age: Most invasive breast cancers occur in women over age 55.
  • Family or Personal History: Women with an immediate family member (mother, sister, daughter) who has had breast cancer are nearly twice as likely to develop the disease. A close male relative with the disease also raises risk. Women with cancer in one breast are at a higher risk of developing a future cancer in the other breast or another area of the original breast. If you have a family history of cancer, genetic testing may help determine risk.
  • Race and Ethnicity: Caucasian women have a slightly increased risk of developing breast cancer overall, however in women under 40, African American women are more likely to develop the disease. Mortality rates are also higher among African American women of any age.
  • Diet and Exercise: Overweight and/or physically inactive women have a higher risk, especially after menopause.
  • Alcohol Use: Drinking alcohol increases the risk of developing breast cancer. Women who consume multiple drinks a day have around a 20% higher risk than those who do not drink.
  • Breast Conditions: Women with dense breast tissue and some benign breast conditions are at higher risk.
  • Menstrual Cycles: Starting menstruation early (before age 12) or completing menopause late (after age 55) raises risk.
  • Radiation: Radiation to the chest for another cancer is associated with a higher risk.
  • DES Exposure: Women who were exposed or had mothers exposed to diethylstilbestrol (DES) have a slightly higher risk.

Symptoms and Signs

Women are encouraged to consult their physician immediately for evaluation if any of the following signs and symptoms are present. The signs for breast cancer are not the same for all women, and some women show no signs in early stages.

  • A lump in the breast, under the arm, or around the collarbone
  • Change in breast size or shape
  • Thickening of breast or underarm
  • New nipple retraction or nipple discharge
  • Dimpled skin or skin resembling orange peel
  • Tenderness or pain in breast or nipple
  • Irritation, redness, scaliness, or swelling on the breast, nipple, or skin near the nipple
  • Swollen lymph nodes

Prevention

Breast cancer cannot be completely prevented, but women can take steps to decrease risk and/or improve early detection of the disease. Screening recommendations are for women with average risk. It is important to discuss with a physician your individual risk factors, including age, menopausal status, and family history to determine your screening needs.

Screening

  • Women should understand their individual risk, as some women with a family history of breast cancer or certain other risk factors should start screening early and can take other preventative measures.
  • Women should check their breasts monthly. Report any changes to a physician immediately.
  • Women in their 20s and 30s should have a clinical breast exam every three years.
  • Women in their 30s should discuss their breast cancer risk level with a physician to determine the most appropriate cancer screening options, including mammograms and MRI screenings.
  • Women age 40 and older should discuss individual risk factors with a physician to determine recommended timing and most appropriate screenings, including annual mammogram, annual clinical breast exam, and annual MRI screening.
  • Women age 50 and older should have a mammogram and a clinical breast exam at least every two years after discussion with her physician, and other imaging if recommended by a physician.

Lifestyle

  • Regular exercise, limiting alcohol intake, and maintaining a healthy body mass index (BMI) can reduce the risk of breast cancer.

Higher Risk

  • Women and men with a significant family history of breast cancer and especially any history of male breast cancer should discuss genetic testing with their physicians. If genetic tests indicate a mutation that conveys a high risk of breast cancer, like BRCA 1/2 mutations, risk reduction strategies and increased surveillance can be discussed with one’s physician.
  • Women with a first degree relative who had breast cancer before age 50 should begin receiving mammograms starting 10 years younger than that relative’s age at the time of diagnosis.

Treatment Options

Anyone with breast cancer should consult with a medical oncologist to determine his or her specific treatment needs. Treatment options can include surgery, radiation therapy, chemotherapy, proton therapy, targeted therapy, bone-modifying therapy, immunotherapy, hormone therapy, and palliative medicine. A combination of treatments may be used to provide the best chance of disease control.

Sources: American Cancer Society, American Society of Clinical Oncology, National Cancer Institute, Texas Cancer Registry, and Texas Oncology Physicians


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