Levels of CEA and Ca 19-9 in the sera and peritoneal cavity in patients with gastric and pancreatic cancers

Abstract

Tumor makes are substances found in blood and other biological fluids if tumor is present in the body. They can be produced by tumor itself or can be results of cancer – body relation.

They may be used in the follow-up of cancer patients to identify tumor recurrence. Pre-treatment levels have prognostic tool and could signalize persistence of minimal residual disease despite radical surgery.

Keywords

• tumors makers
• in blood
• other biological fluids
• cancer- body
• cancer patients