ESTRO 2025 - Abstract Book

S521

Clinical - Breast

ESTRO 2025

Total Treatment Time Analysis: (FIGURE 2) Total time invested from first medical visit to treatment initiation: • DIBH: 35.22days; Free Breathing: 70.40days (p<0.01).

Quality of Life Related to Subjective Stress Levels Analysis: (FIGURE 3) The subjective stress levels experienced by patients during training prior to treatment, during treatment administration and regarding their perceived responsibility for treatment efficacy were evaluated: • Stress During Training: None:54.55%; Low:13.64%; Moderate:9.09%; High:9.09%; No Response: 13.64%. • Stress During Treatment: None: 40.90%; Low: 22.72%; Moderate: 13.63%; High: 9.09%; No Response: 13.63%. • Stress Regarding Responsibility for Treatment Efficacy: None: 4.54%; Low: 9.09%; Moderate: 13.63%; High: 59.09%; No Response: 13.63%.

Conclusion: