Multi-Institutional Experience Using the MammoSite Radiation Therapy System in the Treatment of Early-Stage Breast Cancer: 2-Year Results

In this series of patients, the MammoSite RTS seems to have acceptable toxicity rates and cosmetic outcomes, comparable to those with whole-breast radiotherapy. On the basis of these data, the closed-cavity placement technique, use of prophylactic antibiotics, use of multiple dwell positions, and a minimum skin spacing of 6 mm seem to improve patient outcome.