Integrated perspectives on colorectal carcinogenesis: molecular pathogenesis, genomic alterations, diagnostic paradigms, therapeutic interventions and AI–driven directions in precision oncology

Key Takeaways for GI Nurses

• Understanding molecular pathways of colorectal cancer development enhances our ability to identify high-risk patients and support early detection strategies during screening procedures
• Genomic alterations in colorectal cancer are driving more personalized treatment approaches, requiring nurses to understand how genetic testing results influence patient care plans and therapeutic decisions
• Artificial intelligence integration in colorectal cancer diagnosis and treatment planning will increasingly impact endoscopy workflows, patient education needs, and interdisciplinary communication
• Precision oncology approaches demand enhanced nursing knowledge of biomarker testing, targeted therapies, and individualized patient monitoring protocols

Clinical Relevance

This comprehensive review of colorectal carcinogenesis has significant implications for endoscopy and GI nursing practice. As our understanding of molecular pathways deepens, nurses play a crucial role in translating complex genomic information into meaningful patient education and care coordination. When patients undergo colonoscopy and tissue sampling, nurses must be prepared to explain the importance of molecular testing and help patients understand how genetic alterations in their tumors will influence treatment selection. This knowledge directly impacts pre-procedure counseling, informed consent processes, and post-procedure follow-up discussions.

The integration of AI-driven diagnostic tools represents a paradigm shift that will transform endoscopy unit operations. Nurses will need to adapt to new technologies that assist in polyp detection, risk stratification, and treatment planning. This technological evolution requires ongoing professional development to maintain competency in emerging diagnostic platforms while ensuring patients feel comfortable with AI-enhanced procedures. Additionally, the precision oncology approach emphasizes the importance of specimen handling protocols, as proper tissue collection and processing becomes even more critical for accurate genomic analysis.

From a patient care perspective, the shift toward personalized medicine based on molecular characteristics creates new opportunities for nurses to provide individualized education and support. Understanding the connection between genetic alterations and therapeutic options enables nurses to better prepare patients for treatment discussions with oncologists, facilitate shared decision-making, and provide more targeted psychosocial support throughout the cancer care continuum.

Bottom Line

The evolution of colorectal cancer care toward precision medicine and AI-enhanced diagnostics requires GI nurses to expand their knowledge base beyond traditional procedural skills to include molecular pathology, genomic testing, and personalized treatment approaches. This transformation positions nurses as essential bridges between complex scientific advances and practical patient care, emphasizing the need for continuous education and adaptation to emerging technologies while maintaining focus on compassionate, patient-centered care during what can be an overwhelming diagnostic and treatment journey.