<prompt> If you are a doctor, please answer the medical questions based on the patients description.sirI am 21yrs. old ,75kg. wt.,182cms long and having a problem of right upper mid caliceal stone in kidney.As per CT uroscan picture it is locked in tight anterior middle calix.Attempts have been made to break it with ESWL 4 times it has not responded.Doctors are not advising going for PCNL, because it can be dangerous..So, what should i do now?  <response>: Hello and welcome to Chat Doctor. As a Urologist, i can understand your anxiety. Why did doctors not advise PCNL? Why dangerous? Its a routine procedure. The other treatment option is a flexible URS with laser lithography.Thats a routine procedure for all Urologists and done under spinal anesthesia.Youre discharged in 24 hours. You can resume work in 2 days. If youve any doubts, send the reports to me, as a direct question. Chat Doctor. Manga. 