you are suffering from both GI and urinary symptoms. with background of uterine cancer
with surgery and radiotherapy, we need to rule out possibility of any local recurrence of the same or colo-vesical fistula.you need to under go USG abdoman/CT scan abdoman pelvis to rule out any local recurrence. also should consult urologist
and related investigations to rule out chronic cystitis
, ureter stenosis and fistula.