Is redness a common sign of breast cancer?

Not in general: Redness is not a common sign of most breast cancers, but it can be seen in a rare but aggressive type called inflammatory breast cancer. Your doctor can help you distinguish this unfortunate cause of redness from allergic skin reactions or infection.

It can be: Redness of the breast is not usually seen in early breast cancer. But more advanced cancers can cause redness especially a type of cancer called inflammatory breast cancer. You should get yourself examined by a breast cancer specialist right away.