Screening for Colon Cancer - Just do it

I have a patient who is absolutely phobic about getting a colonoscopy for colon cancer screening. She has a family history of colon cancer so the fear may be about what is "found" or it may just be the anxiety of going through the test. No amount of cajoling on my part or her husbands part has been successful for getting her tested. I've even offered valium to get her through it but she just