Imaging for early stage breast cancer

DVH based parameters in IMRT

For PTV

D

= D

near-min

98%

D

≈ D

mean

median

D

= D

near-max

2%

V

= 25%

20Gy

For OAR : V D

: a volume that receives at least the absorbed dose D

Prescribing, Recording, and Reporting Photon-Beam Intensity-Modulated Radiation Therapy (IMRT), ICRU Report 83, 2010