Early breast cancer usually does not cause physical pain, and symptoms may not initially be noticeable. As the cancer grows, it can cause changes that include:

• A lump or thickening in or near the breast or in the underarm area
• A change in the shape or size of the breast
• Nipple discharge or tenderness
• Inverted nipple
• Ridges or pitting of the breast (resembling the skin of an orange)
• A change in the way the skin of the breast, nipple, or areola (dark area surrounding the nipple), looks or feels (for example, warm, swollen, red, or scaly)
• A sore or ulcer on the breast that does not heal

If you notice any of the above symptoms, contact your doctor immediately for an examination.

These symptoms are often associated with breast cancer that has progressed from its earliest stages. Mammography can often detect a breast cancer before it is large enough to produce any of these symptoms. For this reason, regular mammograms are recommended, making it more likely that breast cancer will be detected at its earliest and most curable stages.