My Aunt age 61 years is having Elevation of CEA,(5.5), consulted with Dr. she prefer to do Colonoscopy,, But she is not willing to do that, Hence is there any option to make test? Please confirm. And Please inform is Elevated CEA is related to colon cancer?

Dr. Nikhilesh BorkarOncologist14yrs exp

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Elevated CEA could be due to cancer of Colon (most common), stomach cancer, lung cancer or medullary thyroid cancer. As well as few other causes. Screening with fecal occult blood test is recommended. For high risk colonoscopy is recommended. The CEA is borderline elevated in your case (normal upto 5). If doubt is there based on symptoms, better to do a colonoscopy. If Patient not at all willing, then go the fecal occult blood test and a CT scan (some may suggest a PET CT, which is not the ideal investigation but suggested due to logistics) Feel free to contact me directly if you want to discuss this further.  

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