These studies are usually not indicated. In lesions ain2 and ain3, ablative treatment should be considered to prevent scca. Also known as bowel incontinence. Histology analysis demonstrated a poorly differentiated scca with positive margins. Multicenter studies of the normal physiology of defecation in large groups of subjects stratified by age, gender, and (in women) by parity.
The patient started chemoradiation with no evidence of residual or recurrent disease after 24 months of follow-up. If diarrhea can be controlled, so may fecal staining and incontinence.