What is the proper test for tumor markers?

The proper test for tumor markers depends on the specific marker being evaluated. Tumor markers are typically measured through blood tests, but other bodily fluids or tissues may also be used for certain markers. The specific test and methodology used can vary depending on the marker, and different laboratories may utilize different techniques. The proper test for tumor markers involves accurate sample collection, appropriate laboratory protocols, and reliable measurement methods. It's important to consult with a healthcare professional who can recommend the appropriate test for the specific tumor marker of interest. They will consider the individual's medical history, clinical presentation, and the type of cancer being evaluated to guide the selection and interpretation of the tumor marker test.