I Believe I Have A Parathyroid Tumor But According To

I believe I have a parathyroid tumor but according to tests I don't. The past 2 years I have had multiple kidney stones, 5 lithotripsy's, I currently have a stent in now for a 6mm stone. I have been hospitalized 2 times for sepsis caused from hydronephrosis. Ihave been to the Cleveland clinic and they say my blood work doesn't show a partyroid problem. I don't know what to do anyore