Medical Oncology
Tumor marker tests
Blood tests that measure substances associated with certain cancers, used for diagnosis support and monitoring treatment response.
When this is typically needed
- Supporting an existing cancer work-up
- Monitoring treatment response
- Post-treatment surveillance
What it involves
A blood draw; results are interpreted alongside imaging and clinical findings, not read in isolation.
What to expect
Tumor markers alone don't diagnose cancer — they're one data point your oncologist uses alongside other tests.
This page is educational information, not medical advice or a diagnosis. Every case is different — talk to a qualified, verified doctor about your specific symptoms and situation before making treatment decisions.
For patients
Verified doctors for tumor marker tests
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