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What are the signs of invasive breast cancer?

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Breast cancer may have no signs or symptoms, especially during the early stages. As the cancer grows, you may notice one or more of the following:

  • A lump or thickening in or near the breast or in the underarm that continues after your monthly menstrual cycle
  • A mass or lump, which may feel as small as a pea
  • A change in the size, shape, or contour of the breast
  • A blood-stained or clear fluid from the nipple
  • A change in the feel or appearance of the skin on the breast or nipple -- dimpled, puckered, scaly, or inflamed Redness of the skin on the breast or nipple
  • A change in shape or position of the nipple
  • An area that is distinctly different from any other area on either breast
  • A marble-like hardened area under the skin You may notice changes when you do a monthly breast self-exam. By doing a regular self-check of your breast, you can become familiar with the normal changes in your breasts.

SOURCES:

American Cancer Society: "What is Breast Cancer?"

BreastCancer.org: "ILC -- Invasive Lobular Carcinoma" and “Treatment for DCIS.”

National Institute of Health: "Breast Cancer: Reference Summary."

Breast Cancer Treatments of America: “Invasive breast cancer risk factors.”

National Cancer Institute: “Breast Cancer Risk in American Women.”

Reviewed by Laura J. Martin on August 01, 2017

SOURCES:

American Cancer Society: "What is Breast Cancer?"

BreastCancer.org: "ILC -- Invasive Lobular Carcinoma" and “Treatment for DCIS.”

National Institute of Health: "Breast Cancer: Reference Summary."

Breast Cancer Treatments of America: “Invasive breast cancer risk factors.”

National Cancer Institute: “Breast Cancer Risk in American Women.”

Reviewed by Laura J. Martin on August 01, 2017

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What increases the risk of invasive breast cancer?

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