#lithiasis__lithiasi  the formation of stones (calculi) in an internal organ
  supertype:  pathology  any deviation from a healthy or normal condition
  subtype:  cholelithiasis  the presence of gallstones in the gallbladder
  subtype:  enterolithiasis__enterolithiasi  the presence of calculi in the intestines
  subtype:  nephrolithiasis__renal_lithiasis  the presence of kidney stones (calculi) in the kidney
     subtype:  nephrocalcinosis  renal lithiasis in which calcium deposits form in the renal parenchyma and result in reduced kidney function and blood in the urine

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