is this normal?!?

Ra
So I had a small pain in my chest and I looked and noticed that there was a flat lump underneath the skin that was painful and the skin is red. I don't know if that is normal or not. My parents are out of town and I can't go to the doctor right now. I'm 16 and haven't ever had problems. Please help! ALSO TMI,,, my right nipple is sore and red. 
If you click on the picture it shows better

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