Symptoms to watch out for: - swelling of all or part of the breast - skin irritation or dimpling - breast pain - nipple pain or the nipple turning inward - redness, scaliness, or thickening of the nipple or breast skin - a nipple discharge other than breast milk a. Occurs without squeezing the nipple b. Occurs in only one breast c. Is bloody or clear (not milky) - a lump in the underarm area NOTE: Breast tissue is naturally lumpy. In most cases, this lumpiness is no cause to worry. You are looking for a CHANGE to your breast, a new lump that wasn't there before, or a lump that feels different from the rest of your breast tissue. These symptoms often are signs of other, less dangerous diseases, but it is best to get it verified by a doctor to make sure of your diagnosis.