Skip to main content

Table 1 The optimization objective used for inverse IMRT planning

From: A comparative dosimetric study for treating left-sided breast cancer for small breast size using five different radiotherapy techniques: conventional tangential field, filed-in-filed, Tangential-IMRT, Multi-beam IMRT and VMAT

Structure Planning aim
PTV V52Gy ≤1%, V51Gy ≤ 4%; D50% = 50Gy; V49Gy ≥ 100%,V50Gy ≥ 95%
PRV-contralateral breast Dmax ≤ 3Gy
PRV-left lung V10Gy ≤ 30%; V20Gy ≤ 20%; V30Gy ≤ 10%
PRV-coronary artery region V10Gy ≤ 25%, V20Gy ≤ 15%, V30Gy ≤ 5%
PRV-heart V10Gy ≤ 20%; V20Gy ≤ 15%; V30Gy ≤ 20%