https://www.ncbi.nlm.nih.gov/pubmed/361200

Elevated circulating CEA levels occur in patients with benign gastrointestinal and ... Hence, liver work-up is needed to assess any patient with an elevated CEA.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4954749/

Jun 20, 2016 ... However, sometimes an accidental finding of an elevated CEA level could lead to an extensive workup that not only heightens a patient's ...

https://ascopubs.org/doi/abs/10.1200/jco.2012.30.4_suppl.400

Sep 22, 2016 ... 400. Background: Serum carcinoembryonic antigen (CEA) level can be used as a sensitive marker of recurrence in the follow up of patients ...

https://onlinelibrary.wiley.com/doi/pdf/10.3322/caac.21247

Oct 25, 2014 ... ger a workup to look for possible disease recurrence. Although it has been ... an elevated CEA level during follow-up. These records were.

https://www.ascopost.com/issues/august-15-2014/high-false-positive-rate-of-elevated-cea-seen-in-patients-with-resected-colorectal-cancer/

Aug 15, 2014 ... High False-Positive Rate of Elevated CEA Seen in Patients With ... in CEA level should be universal practice before an extensive workup is ...

https://www.webmd.com/cancer/cea-tests

Aug 12, 2018 ... It can also help tell how well your treatment has worked and predict your outlook. ... And some people with cancer don't have high CEA levels.

https://emedicine.medscape.com/article/281237-workup

May 31, 2018 ... The incidence of colorectal cancer has been rising dramatically following economic ... A CEA level higher than 100 ng/mL usually indicates metastatic disease and warrants a ... Staging and workup of rectal cancer patients.

https://www.medicinenet.com/carcinoembryonic_antigen/article.htm

The normal range for CEA in an adult non-smoker is <2.5 ng/ml and for a smoker <5.0 ...

https://medlineplus.gov/lab-tests/cea-test/

Mar 12, 2019 ... A high level of CEA can be a sign of certain types of cancers. ... This can help your provider see how well your treatment is working. You may ...

https://www.urmc.rochester.edu/encyclopedia/content.aspx?contenttypeid=167&contentid=carcinoembryonic_antigen

This test measures a protein called carcinoembryonic antigen (CEA) in your blood. This protein is ... This test may help your healthcare provider find out if your cancer treatment is working. It may also help ... And higher levels of CEA don't mean you have cancer. Many conditions other than cancer can cause CEA to go up.