<prompt> Indication of surgery in benign hyperplasia of prostate isPost void urine volume is 200 mlWeakened urinary streamDysuriaResidual urine 100 ml  <response>: Indications for surgery in BPH are: Prostatism Acute retentionof urine Chronic retention of urine with residual urine 200mlComplications like hydroureter, hydronephrosis, stone formation, recurrent infections, bladder changes.HematuriaReference : page 1045 SRBs manual of surgery 5th edition 