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I've read about a catheter they can put in through your urethra to where the prostate is, and it uses a "Green Light Laser" that can instantly vaporize prostate material if it's imposing on the urethra in the case of BPH. What I don't know is what becomes of the urethra in this procedure. Is it vaporized? Is it spared? Does anybody know?

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I haven't heard about this but very interested.  If anyone does not about this  please let us know.