Symptoms
Early-stage breast cancer usually does not cause many symptoms, but some symptoms may start to appear as the cancer grows. Symptoms may include:
A lump or mass in the breast or underarm
Swelling or thickening of the breast
A change in the size or shape of the breast
A change in the color or texture of the skin (dimpled, scaly, red, or flaky)
Nipple discharge
Asymmetry of the breasts
Nipple turned inward
Nipple pain or tenderness
