Hi I am 12 years old and i have a big lump (as big as the nipple around) on the left side, and i little one (as big as the very tip of the nipple) on the right, i don't knof if it is puberty related, none of my friends have it but i was wondering if anyone could help. I don't know why, but i squeezed it really hard one time and little clear type pu... more