Do I have cancer?

So for awhile now, my breasts have been giving me lots of pain. It's a really sharp pain. Mostly in my left breast, but sometimes in my right as well. And my in my left breast, my nipple goes indented sometimes...i can push it back out but it's weird...I don't have cancer, do i?
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+1 y
I'm scared. :/
Do I have cancer?
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