Table 1.

Available directive choices with defaulted doses

Clinical directive	Prescription dose
Hypofractionation whole breast	4240 cGy/16 fx + 1000 cGy/5 fx (optional)
Standard fractionation whole breast	5000/25 fx + 1000 cGy/5 fx (optional)
Standard fractionation, whole breast and regional nodal irradiation	5000/25 fx + 1000 cGy/ 5fx (optional)
Standard fractionation, postmastectomy with regional nodal irradiation	5000/25 fx + 1000 cGy/5 fx (optional)
Accelerated partial breast irradiation	3400 cGy/10 fx (brachytherapy)

fx, fractions.