What clinicopathologic features do you consider when deciding whether or not to use a PMRT scar boost?  

We've discontinued all routine use of PMRT scar boost We offer chest wall boost only for R1/R2 margin, T4 disease (whether inflammatory or just skin involvement), and in the re-irradiation setting with an at risk or positive margin (repeat chest wall radiation for isolated chest wall recurrences wi...

Our practice, although not supported by any prospective data, is to add scar boost to all unless patient has reconstructed breast then we avoid any scar boost. The one where benefit may be more is most likely a poor responder to NACT or if any margin is close or positive (I tend to boost quadrant wi...