Changes

===Radiotherapy===

===Radiotherapy===

Rarely reported due to concerns of intolerance of surrounding tissues leading to for example perforations and adhesions, in addition it cannot be relied upon that the same target will be irradiated each day due to intestinal mobility. There has been a report of single high-dose iradiation being used for anorectal adenocarcinomas which had been surgically exposed and no long-term side effects were observed.

Rarely reported due to concerns of intolerance of surrounding tissues leading to for example perforations and adhesions. In addition it cannot be relied upon that the same target will be irradiated each day due to intestinal mobility. There has been a report of single high-dose irradiation being used for anorectal adenocarcinomas which had been surgically exposed and no long-term side effects were observed.

 

==Prognosis==

==Prognosis==