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PIK3CA Exon 9
Intermediate PrognosisGenes Involved
PIK3CA
Treatment Implications
PI3K pathway activation. Aspirin benefit unclear for exon 9.
Recommended Treatments
Standard chemotherapy
Clinical trials
Treatments to Avoid
No specific contraindications noted
Study References
Liao et al
Key Statistics
8.00%
Prevalence in CRC
No
Targetable
Clinical Notes
Different biology than exon 20.
Information
Category: PIK3CA Pathway
Evidence Level: Level 3
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.