Hi I’m 20 years old and kind of worried about a red spot I have on the side of my boob. I saw it about two days ago and I can’t tell if it’s gotten worse or not. It’s the size of my pinky and pretty red, it feels bump when you touch it like a pimple is underneath but when you squeeze nothing comes out and when you press down you find under the skin is actually flat. I’m really worried and concerned it could be something bad.. advice???