Gynae BT_Lucknow_2018

Optimization volumes e.g : oc PTV45

oc PTV45 = PTV45 cropped with 1cm to PTV-N(#)

oc PTV45

Purpose: To reduce Dmax in

areas away from boost. Dmax < 107% of 45Gy

P TV - N(#)

oc PTV45 mean: 45.1Gy to 45.5Gy

Courtesy : Marianne S Assenholt