Ischemic Cardiac Events Following Treatment of the Internal Mammary Nodal Region Using Contemporary Radiation Planning Techniques

There is increasing evidence supporting the oncologic benefit of internal mammary nodal (IMN) radiation in select patients, yet the associated cardiac radiation exposure and possible cardiac injury with IMN treatment is of concern. In this study, we highlight the importance of minimizing cardiac exposure and use of computed-tomography-based radiation planning when including a limited IMN field in the target volume (interspaces 1-3).

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