findings

CA 19-9 review: what it is, what it is for and results

Carcinoembrionary antigen: what it’s for and reference values Carcinoembrionary antigen or CEA is a protein produced at the beginning of fetal life and during rapid cell multiplication in the digestive system, primarily, and can then be used as a marker of colorectal cancer.However, people without gastrointestinal abnormalities or smokers may have increased concentrations of this

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