New Deformity Outline on the Breast Radiation Therapy for diminishing Absorbed Dose Ratio

Breast cancer is one of the most common malignant diseases in women. After tumor mass surgery, radiation therapy regularly taken into account gold standard for treatment. Kilo to Mega voltage photons have been suggested due their characteristic depth dose build-up regime, reducing breast skin a fraction maximum exposure. During treatment, mean glandular commonly used as criterion identifying risks. Here, two outlines cubic-rectangular (CR) and cylindrical- taper (CT) were modelled together with corresponding assumptions using Monte-Carlo simulation recorded absorbed ratio (ADR) values compared via defined positron source by 511 keV energy. The results showed that amounts absorption scattering cross-sections next ADR amount decreased height CR outline decreased. average was reduced about 96% CT outline. By increasing distance from nipple, both outlines. accumulated harshly rather than This study can be useful examine tissue deformity treatment planning.