<prompt> Ureterovaginal fistula should best be treated by:UreteroneocystostomyEnd-to-end anastomosis through an ureteric catheterImplantation into colonHeal conduit  <response>: Surgeries for ureteric fistula:Bladder flap procedure modified Boari-Ocker-BladUreteroneocystostomyImplantation into the bladderNote: End to end anastomosis may lead to stricture formation.Colonic transplantation results in recurrent pyelonephritis and hyperchloremic acidosis. 