<prompt> Which of the following is not a contraindication for extra corporealshockwave lithotripsy for renal calculiPregnancyBleeding disorderStone 2 cmStone in a calyceal diverticulum  <response>: CI for ESWL areabsouletePregnancyBleeding disorderRelativeStone 2cmCystine stoneChildrenObstructed stone. 