What are the four tumor types?

Four tumor markers refer to four commonly used examinations for tumor markers. The contents contained in each hospital and system are different. Clinically, the following combinations are commonly used: four lung cancer items, CEA, NSE, CA19 -9, CYFRA21-1; four breast cancer items, CEA, CA15 -3, CA19 -9, CA125; four digestive tract tumors, CEA, AFP, CA19 -9, CA242; four gynecological tumors, CEA, AFP, CA125, CA15 -3; The four items of gastric cancer, CEA, CA72 -4, CA19 -9, CA242. In short, the four items of tumor are an important part of cancer screening, and specific options can be decided according to the specific conditions of patients.