question: Hi.Age-20 yrs.height-166cms..weight-58kgs. Problem-Asymtomatic kidney stones in both kidneys since 2 years.I have no pain and no symtoms.Some doctors say it is a parenchymal calcification or some deposition in my nephron area.Both the stones are of 4 mm and are in midpole.They say it can't be operated by lithotripsy .I am totally confused .Please help me out.