Any ideas??? TMI (under boob pic)

Yes I KNOW I need to call and get an appointment. I’m calling when they open today. I got what started out as a small skin colored pimple on the bottom of my breast a week or so ago. I was watching it never hurt or changed size or anything. I’ve never had acne or anything on my chest so not really sure what it looks like. Well last night the bottom of my breast started hurting and I looked this morning and it looks like this now… I’m mot sure if it was a pimple and popped and it draining and I wear sports bras so I’m sure it’s adding extra irritation to the sight. Anyone had anything like this before??

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