Symptoms of breast cancer?

A lump in the breast: This is how most women discover their breast cancer. However most such lumps turn out to be benign. If you do monthly breast self exam, you will be able to tell if you have any new lumps. They are often painless and grow in size if left unattended for more then 1 or 2 months. The tumor can also spread outside of the breast if not treated. Promptly.