What is a CEA level in colon cancer?
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Accordingly, what is a normal CEA level in colon cancer?
A normal level of CEA is less than or equal to 3 nanograms per milliliter (ng/mL). Most healthy people have levels below this amount. CEA levels will generally return to normal between one and four months after the cancer has been successfully removed.
Similarly, what does a high CEA level mean? CEA is a type of tumor marker. A high level of CEA can be a sign of certain types of cancers. These include cancers of the colon and rectum, prostate, ovary, lung, thyroid, or liver. High CEA levels may also be a sign of some noncancerous conditions, such as cirrhosis, noncancerous breast disease, and emphysema.
Similarly one may ask, is CEA always elevated in colon cancer?
Both benign (harmless) and malignant (cancerous) conditions can increase the CEA level. The most frequent cancer which causes an increased CEA is cancer of the colon and rectum. Others include cancers of the pancreas, stomach, breast, lung, and medullary carcinoma of the thyroid and ovarian cancer.
Can CEA be high without cancer?
Elevations in CEA and CA 19-9 levels may occur in patients without cancer. For example, elevated CEA levels may be observed in smokers as well as patients with a variety of non-malignant diseases. Therefore, levels, regardless of their values cannot be used as a diagnostic test for cancer.