Breast Cancer's 5 Warning Signs

A new breast lump or underarm thickening may signify breast cancer. Doctors should check any unusual breast lumps or changes.

Breast lump or thickening

A doctor should assess any unexplained changes in breast size, shape, or symmetry, such as swelling or shrinking.

Changes in breast size or form

Nipple inversion (when the nipple turns inward), redness, scaling, or discharge (other than breast milk) should be checked by a doctor.

Nipple changes

A doctor should evaluate dimpling, puckering, redness, or thickness of the breast skin.

Breast skin changes

Chronic or atypical breast pain that doesn't go away after a menstrual cycle or isn't caused by an injury should be handled by a doctor.

Pain or Discomfort

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