The example that I saw was of a patient whose prostate had swollen closing up the urethra. HIFU was applied to ablate the urethra which “opened it back up” so t

The example that I saw was of a patient whose prostate had swollen closing up the urethra. HIFU was applied to ablate the urethra which “opened it back up” so that fluids could pass through again un-impeded. As a consequence the patient could then live a normal life.