Perianal Operating Scope Feasibliity

Inclusion Criteria: * Age range 18 to 80 * In good health status * Patients scheduled for a transanal procedure other than for anal lesions, e.g., hemorrhoids, fissures, abscesses Exclusion Criteria: * Patients with physical characteristics that distort the rectal sigmoid anatomy, e.g., spinal lesions. * Patients considerable unsuitable for inclusion in the study by their colorectal surgeon. * Patients considered too frail or ill by their physician to undergo a 5-10 minute prolongation of their procedure. * Patients with known rectosigmoid infections. * Patients with known rectosigmoid wall fragility. * Patients with known rectosigmoid perforations.