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Right-Sided Primary
Poor PrognosisGenes Involved
Location
Treatment Implications
Higher BRAF, MSI-H. Worse prognosis. Check MSI always.
Recommended Treatments
Intensive chemotherapy
Bevacizumab-based
Treatments to Avoid
No specific contraindications noted
Study References
CALGB 80405
Key Statistics
40.00%
Prevalence in CRC
Yes
Targetable
Clinical Notes
Different biology regardless of RAS status.
Information
Category: Tumor Location
Evidence Level: Level 1
Last Updated: Dec 7, 2025
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Medical Disclaimer: This information is for educational purposes only and should not replace professional medical advice. Always consult with your oncologist for personalized treatment decisions based on your specific situation.