ESTRO 2025 - Abstract Book

S1157

Clinical – Lower GI

ESTRO 2025

Conclusion: We developed the first NTCP models for acute bowel toxicity and non-compliance with preoperative chemotherapy during SCRT-based TNT for LARC. For both outcomes, the strongest association was found for the RTOG bowelbag V 20Gy .

Keywords: RAPIDO, TNT, NTCP