How Can Kidney Stones Be Removed?

I have chronic kidney stones , @ one point I was getting them every 3 weeks , I ve had multiple lithotripsy, & once we went in through my back I have had multiple stents in the past 3 years over ten stents and over 20 stones mostly in NY left flank its been 6 months since my last attack & I thought things were getting better , however I just returned from the ER with a 5 millimeter stone in left side and a group of smaller stones in my right , nephrologists say I m producing to much calcium . how do I cirrectvthis I m sick & tired of getting stones