<prompt> Treatment surgery for fissure in anoLateral sphinterotomyFissurectrnySetonNone  <response>: Answer- A. Lateral sphinterotomyConservative ttStool bulking agents and stool softnersNitric oxide or Glyceryl tinitrateDilatation of the sphincter under GAlaterd anal sphincterotomy - the intetnal sphincter is divided away from the ssure itself - usually either in the rigltt or the left lateral positionAnal advancement flap 