<unk>  is a surgical alteration of the urinary<unk> .  It involves removing strips of tissue from the intestinal tract and adding this to the tissue of the<unk> .  This has two intended results:  increased<unk>  volume; and a reduced percentage of the<unk>  involved in contraction, that in turn results in lower internal pressures in the<unk>  during urination.
Risks of<unk>  include incomplete voiding of the<unk>  post-surgery (resulting in the patient having to undergo intermittent catheterization or an indwelling catheter), acute intestinal obstruction due to adhesion some years after surgery, and, in extremely rare cases, cancers of the intestinal tissue within the<unk> . It must be stressed that this risk is very small, and some specialists still regard the link to cancer as a theoretical one.
Bladder augmentation
Urinary diversion
Suprapubic cystostomy
Artificial urethral sphincter
Foley catheter
Vaginal lubrication
Reflex anal dilation
Abdominoplasty