Target Volume Determination 2015

Reduces recurrence (Node (-) (700 pts) (Node (+) (3131 pts) • 10 year gain 1.3% (N-) and 10.6% (N+) Reduces breast cancer mortality • 20 year gain 2.2% (N-) and 8.1% (N+) ONE BREAST CANCER DEATH IS AVOIDED FOR EVERY FOUR LOCAL RECURRENCES AVOIDED