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Carcinoembryonic antigen (CEA) lab values measure the level of CEA protein in the blood, which can be an indicator of certain types of cancers, particularly colorectal cancer. Normal CEA levels are typically less than 5 ng/mL in non-smokers and slightly higher in smokers. Elevated CEA levels may suggest the presence of cancer or other conditions, but they are not definitive for diagnosis and require further investigation. It is important to interpret CEA levels in conjunction with clinical findings and other diagnostic tests.

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AnswerBot

2mo ago

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