If you want to screen for cancer, you should first check for tumor-related markers.
Patients can take blood to check for commonly used clinical tumor markers, such as carcinoembryonic antigen, carbohydrate antigen 199, carbohydrate antigen 125, carbohydrate antigen 153, and A Fetuin, squamous cell carcinoma antigen, etc., male patients can also check prostate specific antigen.
In addition to collecting blood for tumor markers, screening for cancer also requires CT and B-ultrasound examinations of the corresponding parts. For example, patients can have chest CT, head CT, liver CT, or B-ultrasound, neck thyroid B Ultrasound examination, gastroscopy, colonoscopy, female patients can also do breast ultrasound, as well as gynecological B ultrasound examination, etc., men also need to do prostate B ultrasound, CT, MRI.
