However, since your mother had a previous history of colon cancer
, a CEA value of 10.0 should make us highly suspicious of colon
cancer recurrence. When you go to the oncologist, what the doctor is likely to do is to perform additional tests (e.g. abdominal CT scan, colonoscopy) to look for evidence of cancer. You can reassure her by saying that at this point, we really don't know if she has cancer again.