![Various doctors performing surgery.](/files/Article/imglist/5a1bd1f9-4004-4217-9502-15ba25bbab96.jpg)
By Mr Andrew Ballaro
27.11.17
Urology
A state-of-the-art new treatment for kidney stones
The ultra-mini percutaneous nephrolithotomy (UMP/ultra-mini PCNL) is a minimally-invasive technique which can be used to treat large or multiple stones. Consultant urologist Mr Andrew Ballaro now regularly performs the procedure in his NHS and private practice as a day-case procedure.