Survival Impact of Cardiac Dose following Lung Stereotactic Body Radiotherapy

Heart dose has been emerging as a strong predictor of outcomes in radiation therapy treatment for lung cancer. It is necessary to determine the impact of dose to substructures of the heart on overall survival. Heart substructures were contoured retrospectively on 189 patients treated with stereotactic body radiotherapy. Clinical variables and the dose to these structures was correlated with non-cancer related deaths. Higher bilateral ventricles max dose is associated with poorer survival. Heart dose parameters should be considered when planning patients for SBRT.

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