Better material is an own mucus.

As in my son on 40 y.old is urethra stricture as narrowing for urinary tract canal, as urea bad displaying, what is helps for him?Doctors advising in urethroplastic, does it cure for him, or other methods having.
Commenting for you letter is to us Doctor urologist  Korolev.
As what is urethra and her risks.
As urinary canal is tube hollow organ, which removes urea out, as in males she is longer,than in women's, as having a few sides are membranous, prostatic, tuber, penile and head.
As in norm they are having widen inside space, on which urea display from urinary bladder out in urea, as in narrowing in one from the side or a few sides of urethra a speed for current of urea is lowering,that reflecting on the quality for urination as of wear course, as often  and rising act of urination with disuric symptoms are burning, ache in projection of urethra.As in progressing of disease urethra space a full closing in a obliteration zone, with urea delay, that a crisis condition an needing a first help in a cure as for sugary, as in drainage for urinary bladder with tube,as in urinary bladder through a belly putting.And many patients all life living with tube and quality of life is low and do not hearing as her removing with a plan plastic surgery.