red lumpy freckle on breast

i have a small freckle on my breast its gone a bit lumpy and red, and im not sure whether im over reacting as its only small.  Im only 20, though my mum did die of bone cancer, so not sure what to do

[Cleveland Clinic]

Dear raremens, The skin on the breast is like skin on other areas of the body and is subject to a variety of skin problems.  Without examination, we cannot say for sure what this is.  If it continues to be of concern You may want to have it checked by your doctor.