CEACAM5 and cancer: Other biomarkers that are related to cancer recovery after disease termination are also evaluated, including telomerase activity, antigens related to cancer (cancer antigen—CA 15-3; prostate-specific antigen—PSA; carcinoembryonic antigen—CEA), and other health-related markers (adrenocorticotropic hormone; erythrocytes; glycosylated haemoglobin).