What Are Tumor Marker Blood Tests?

Plus: How Is Blood-Based Biomarker Testing Used for Colorectal Cancer?

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Customize your newsletter with topics you're interested in!   May 27, 2025   TODAY'S TOP STORY Tumor Marker Blood Tests: What You Need to Know READ ON   How Is Blood-Based Biomarker Testing Used for Colorectal Cancer? READ ON   Stage 2 Colon Cancer: Symptoms, Treatment, and Outlook READ ON LIVING WELL More healthy reads 🥑 8 Top Foods to Help Lower Triglyceride Levels 💪 Chafing Doesn't Have to Ruin Your Run — These Tips Can Help Prevent It 🧠 Do Stress Balls Work? 💤 Does Sleep Apnea Cause Heart Arrhythmias?   TODAY'S RESOURCE     What to Pack for Chemotherapy Ideas to try and make your appointments a little more comfortable. DOWNLOAD NOW       HEALTHLINE HUBS Chemotherapy   Treatment Caregiver Support   What to Eat We'd love to hear from you! Send us a message at newsletters@healthline.com to let us know what else you'd like to see. Until then, Take care of yourself, and we'll see you again soon! View in browser Did a friend send you this email? Subscribe here. To see all newsletters, click here. Privacy   |   Unsubscribe We may feature your messages to our inbox within our content. Please do not provide any personal identifiable information. Replies may be edited for length and clarity. For more, see our Privacy Policy. Our website services, content, and products are for informational purposes only. Healthline does not provide medical advice, diagnosis, or treatment and should not be used as a substitute for medical advice from a healthcare professional. Healthline encourages you to make any treatment decisions with your healthcare professional. Every product we recommend has gone through either Healthline's or Optum Now's vetting processes. If you buy through links on this page, we may receive a small commission or other tangible benefit. Healthline has sole editorial control over this newsletter. Potential uses for the products listed here are not health claims made by the manufacturers. Healthline and Optum Now are owned by RVO Health. © 2025 RVO Health 1101 Red Ventures Drive Fort Mill, SC 29707