Is a close (<1mm) posterior margin an indication for lumpectomy cavity boost in a patient with early stage breast cancer when dissection was carried down to the pectoral fascia?

Topics: Breast Cancer • Radiation Oncology

Answer from: Radiation Oncologist at Academic Institution

In the setting of invasive breast cancer, a meta-analysis and guidelines have determined a negative margin is no tumor on ink. So as long as margin is > 0, I would not consider a close margin (often considered for 0-2 mm) to be a sole reason to boost. In the setting of pure DCIS, current guideli...

Comments

Radiation Oncologist at Washington University School of Medicine
I don't disagree with Dr. @Chirag S. Shah's though...

Radiation Oncologist at University of Colorado School of Medicine
As per above, no tumor on ink is an acceptable neg...

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