Noticing changes in your breasts can be concerning, but many are harmless and caused by hormonal shifts, infections, or benign conditions. However, being aware of potential early signs of breast cancer is crucial for timely detection – when treatment is most effective. According to trusted sources like the American Cancer Society and Mayo Clinic, breast cancer often has no symptoms in its earliest stages, which is why regular screenings (like mammograms) are vital.

While there are more than 4 signs, here are 4 key early warning signs commonly highlighted that warrant prompt medical attention if new or persistent.

1. A New Lump or Thickening in the Breast or Underarm

The most common early sign – often painless, hard, and irregular-edged (though some are soft or tender).

• Most lumps are benign (cysts, fibroadenomas), but any new one should be checked.

2. Changes in Breast Size, Shape, or Skin Texture

Unexplained swelling, dimpling (like orange peel), redness, or puckering.

• May indicate inflammatory breast cancer (rare but aggressive).

3. Nipple Changes or Discharge