Please suggest. Which TUMOUR marker test are used to diagnose Lung as Well as breast cancer. Can some one please tell which are they?

Dr. Nikhilesh BorkarOncologist14yrs exp

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Usually a low dose CT scan is done for screening of lung cancer is chronic smokers. If a patient is symptomatic with blood in cough or breathlessness, then a contrast enhanced CT Scan would be done. With other investigations is some finding suggestive of cancer on the CT Scan. CEA is a tumor marker, which is sometimes done after lung cancer is diagnosed for follow up. Breast cancer is usually screened by a Xray mammogram. MRI is done for screening in young females with hereditary or high risk of breast cancer. If you are symptomatic, please see a breast surgeon or a cancer surgeon, who would assess clinically and then order investigations accordingly. CA-15.3 is a tumor marker, but again not used for screening, but done sometimes after Breast cancer is diagnosed, for follow up.  

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Dr. Shravan KumarOncologist18yrs exp

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There are no tumor markers for lung and breast cancers. But circulating tumor cells can be used as tumor markers. Needs to see you for examination and analysis. 

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