The recovery may take some time. Usually surgery is done only in early stage like T1 or T2 tumors which are node negative. If disease is locally advanced then radiation with chemo is given first followed by surgery. Surgery, radiation and chemo all three are important part of treatment for ca rectum, though sequencing can change depending upon stage.
Next Steps
Some times recovery is delayed. Patient has been treated correctly as per guidelines. Complications can arise after any treatment.
Health Tips
Be positive and there is no reason to lose hope. Patient would be fine