Hello there, my father is heart patient and with pacemaker installed, he was suffering from renal failure and after some treatment done at hospital he recovered and is fine with everything, meanwhile they installed an external catheter for passing of urine and we faced retention of urine due to that they installed internal catheter and let the fluid pass after that the blood started to flow through catheter and we were told there is enlargement in prostate hence they started irrigation and problem is almost cured. Now we are getting discharged from hospital with catheter installed and we are asked by urologist to visit them in 3 days after they will start clamping and declamping of the catheter and they also made us strictly alert to be ready for laser therapy if clamping declamping won't work. My question is is that really a severe issue to get ready for that laser therapy.