should have checked? The growth started off with slight pain and I thought it might be a pimple, but it never drained and now looks like a lighter colored nipple (1/2 size) on my nipple. I assumed it was a benign cyst. It has been there 2 months now and only caused pain for the 1st day or so from friction against my shirt. Is this anything to be worried about? I have no insurance so I was not planning on having it checked.