Structure

Planning aim

PTV

D_max < 55 Gy; D50% = 50 Gy; V47.5 Gy ≥ 95%

Contralateral breast

D_max ≤ 3 Gy

Lt lung

V20 Gy ≤ 20%; V30 Gy ≤ 10%

Heart

V15 Gy ≤ 20%; V20 Gy ≤ 15%; V30 Gy ≤ 5 %

Coronary artery region

V15 Gy ≤ 25%, V20 Gy ≤ 15%; V30 Gy ≤ 5 %