Hi there
I can understand how you might be worried but I would trust what your doctor says. Nobody can predict the future and so it makes sense to engage in a healthy lifestyle to up the odds that you don't develop cancer.
Here is some information from The American Cancer Society about the general risk of developing or dying from the various types of cancer.
Here is an Ask the Geneticist site where you could also look up information. I am not sure if you have increased odds of having cancer just because your aunt had it but again...this is a question for your doctor or a geneticist.
Hope this helps some. Thank you for your question.
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Thank you!! I definitely need to discuss more with my doctor, but this gives me some hope!!