Do you counsel patients with an ileostomy about significant diarrhea when treating the pelvis with radiotherapy? 

For patients with an ileostomy, they should be told that they are expecting to have an ileostomy output of approximately 1 to 1.5 L per day immediately after recovery from surgery. However, the output may decrease over time.

If a large amount of small bowel is in the pelvic radiation field and/or the...