Upset after radiotherapy planning

Of all the things to get upset about, this one is going to seem really ridiculous, but I can't stop wanting to cry about the tattoo between my breasts that was put there during radiotherapy planning.  I was told it would look like a freckle, but it actually looks like a large blackhead.  I know I'm the only person who will ever see it, but every time I look down, it's going to be  permanent reminder of what's happened.  I desperately want to get rid of it as soon as I'm better.  There are two on my side as well, but those aren't bothering me, because I won't normally see them.  I'm frantic about the central one.