My 27 month old has these dark purple veins that go all across her chest. They are so dark and her skin is so white that it so visible and people always ask what s wrong with her!! She was not a chubby baby, she was breast fed exclusively for 5 months and then introduced to food but still breast fed until 16 months. It almost looks like she is wearing a giant necklace with lots of chains. Is this a sign of some kind if disease?