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csn.cancer.org/node/298476

In regards to other things causing elevated cea, I'm aware that smoking can cause it to go as high as 6, and emphysema/COPD related problems can cause it to go as high as 10-12 max (according to a couple of Drs) yet my level has remained even higher than that for almost 3 years now, and no one has a clue as to what could be wrong and my ...

www.rightdiagnosis.com/sym/elevated_cea.htm

Elevated CEA: Introduction. Elevated CEA: An increase in the amount of carcinoembryonic antigen in the blood system. See detailed information below for a list of 4 causes of Elevated CEA, including diseases and drug side effect causes. » Review Causes of Elevated CEA: Causes Causes of Elevated CEA: The following medical conditions are some of the possible causes of Elevated CEA.

labtestsonline.org/tests/carcinoembryonic-antigen-cea

Carcinoembryonic antigen (CEA) is a protein that is present in certain tissues of a developing baby (fetus). By the time a baby is born, it drops to a very low level. In adults, CEA is normally present at very low levels in the blood but may be elevated with certain types of cancer.This test measures the amount of CEA in the blood to help evaluate individuals diagnosed with cancer.

www.medicinenet.com/carcinoembryonic_antigen/article.htm

Carcinoembryonic antigen (CEA) is used as a tumor marker. An elevated or rising CEA level indicates cancer progression or recurrence. Read on to learn about the meaning of different CEA blood ranges, the CEA test, and how to know what a healthy blood test range is for CEA.

www.healthline.com/health/cea

Elevated levels of CEA occur when the CEA is higher than 3 ng/mL. These levels are considered abnormal. People with many types of cancers can have levels that are higher than 3 ng/mL.

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

Carcinoembryonic antigen (CEA) has been shown to be associated with tumor burden in patients with colorectal cancer. However, it is also elevated to a significant degree in a number of other malignant and non-malignant conditions. We report a case of reversible CEA elevation in a patient using ...

medlineplus.gov/ency/article/003574.htm

CEA blood test The carcinoembryonic antigen (CEA) test measures the level of CEA in the blood. ... slightly higher values may be considered normal (0 to 5 ng/mL, or 0 to 5 µg/L). What Abnormal Results Mean. A high CEA level in a person recently treated for certain cancers may mean the cancer has returned. A higher than normal level may be due ...

www.medicalhealthtests.com/askquestion/313/what-is-cea-test-normal-range.html

When the tumors or cancer is in its early stage, the CEA values observed are slightly higher, whereas in patients with advanced tumors the CEA values are likely to be very high. The elevated concentration of CEA may indicate that a cancer is present. But increased CEA levels may also indicate non-cancer conditions such as inflammation, liver ...

www.webmd.com/cancer/cea-tests

And some people with cancer don't have high CEA levels. This test can help your doctor plan and monitor your treatment once you know you have cancer. You might get the test:

www.oncolink.org/cancer-treatment/procedures-diagnostic-tests/blood-tests...

A tumor marker is a substance that is produced by a cancer, or by the body itself because cancer is present. Tumor markers are commonly used in cancer care to monitor treatment response or for recurrence of cancer, but they must be part of a bigger picture, including physical exam, patient symptoms and radiology studies.