Recent time trends and predictors of heart dose from breast radiotherapy in a large quality consortium of radiation oncology practices

With recent focus on minimizing radiation dose to the heart following adjuvant therapy for breast cancer, it is important to understand the current state of cardiac sparing and predictors of heart dose. In a large U.S. state-wide registry, we evaluated recent time trends in mean heart dose, adjusting for planned target dose and treatment technique. Our findings indicate mean heart dose decreased significantly for left-sided breast cancers over a 4-year period using ongoing monitoring of cardiac dose by institution.

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