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

Aug 12, 2018 ... WebMD explains how the CEA test works and how it can help your doctor ... But high levels of CEA do not always mean you have cancer.

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

Mar 12, 2019 ... What do the results mean? If you were tested before you started treatment for cancer, your results may show: A low level of CEA. This may ...

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

What is the normal range for CEA blood levels? How is the CEA test used? What conditions can cause an elevated CEA? What are the limitations of CEA testing ...

https://labtestsonline.org/tests/carcinoembryonic-antigen-cea

Sep 8, 2016 ... This test measures the amount of CEA in the blood to help evaluate ... If I am a smoker, does an elevated CEA level mean I have cancer?

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 ... “Of these, 358 had a false-positive elevation of CEA level, 335 had a ... of the CEA elevation into context; the authors do not advocate initiation ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5739691/

Elevated serum CEA is found in 17∼47% of colorectal cancer patients [5, 6]. .... Is the r-CEA also associated with remaining survival of the patients as initial CEA ...

https://www.healthline.com/health/cea

Mar 30, 2017 ... A carcinoembryonic antigen (CEA) test is a blood test used to help diagnose and manage certain types of cancers, ... It may also mean that the cancer has spread to other parts of your body. ... How is the CEA test performed?

https://www.cancer.ca/en/cancer-information/diagnosis-and-treatment/tests-and-procedures/carcinoembryonic-antigen-cea/?region=on

Levels of CEA in the blood decrease after birth. CEA is ... What the results mean ... Smokers who do not have cancer can also have an increased CEA value.

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

Carcinoembryonic Antigen. Does this test have other names? CEA ... And higher levels of CEA don't mean you have cancer. Many conditions other than cancer ...

https://pathology.jhu.edu/pc/bloodmarkers.php

CA 19-9 is a modified blood group antigen (Lewis(a)). Neither test should be used as a cancer screening test of asymptomatic individuals. Although CEA and/ or ...