Breast cancer discharge can be whitish in color. However, it is important to note that the color of the discharge does not necessarily indicate whether it is normal or abnormal. Nipple discharge that is bloody or clear may be a sign of breast cancer, especially if it is leaking from just one breast. It is important to have a healthcare provider examine your breasts and determine the cause of any nipple discharge. Normal nipple discharge may be clear, yellow, brown, green, or white, and it may come from both breasts, occur only if you squeeze your nipples, or come from several milk ducts. On the other hand, nipple discharge that is bloody, comes out of only one breast, comes out on its own, or is accompanied by symptoms like breast pain, redness, swelling, or changes to your nipple is typically not normal.