Until BIOPSY RESULTS are in, do not freak out.
BTW, not sure how much research you have done, but just because the MRI might show something it DOES NOT MEAN 100% PCa is present. ALSO, viewing the following and other videos will help explain things many times FAR BETTER than doctors being seen do for their patients >>>
https://www.youtube.com/watch?v=ypNn0tuI5QM