Hi So i see this yellowish green bruise like mark (Like mini punch) on my left breast negligible pain But it appeared out of nowhere I'm applying ice pack its been a day and first time experiencing it No medical history as such Just had small boils rash on nipple one and half month back went away by a normal itch relief ointment PMS Due around this week What it could be Also I'm Working from home so i rarely wear inners No lumps no such pain Post period tenderness No nipple discharge