When treating patients with whole breast RT with a sequential boost, what technique to you use for the boost when treating patients prone for whole breast irradiation?  

At NYU, we treat the vast majority of our patients in the prone position and use a number of techniques for the boost. We most commonly treat with mini-tangents in the prone position. We'll often use a combination of 6 and 16MV to help spare the breast lateral or medial to the involved tumor bed. We...