I've had several CEA flares w/nothing found. Here are all my results since dx in 1/2020. All are using the test where above 2.9 is abnormal. 2.50 2.14 1.40 4.11 2.81 2.61 4.37 3.36 2.66 1.60 3.38 CEA can be elevated for many reasons, especially inflammation. Still, I get terrified every time...like ...