I'm in tears reading this. May the Lord keep and preserve you while providing comfort and strength. You already are strong. Don't ever doubt that.

Silence is rarely an acceptable answer. Are you able to review the documentation about the decision along with information about the calcified value in the Portal? It may not change the situation but should bring some better understanding. If not, try here to get some help.
https://www.mayoclinic.org/about-mayo-clinic/patient-experience
Mayo is only one place, as you've read already. Keep seaching, keep fighting, and stay strong.

You are in my prayers,
Dave