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What is All of the following are true about accelerated paial breast irradiation (APBI) except and explain in detail?
Accelerated paial breast irradiation (APBI) Radiations delivered in an abbreted fashion (twice daily for 5 days) At a dose lower than the standard course of 5 to 6 weeks of radiation (50 Gray with or without a boost) in the case of whole breast irradiation. Suitable patients for APBI: Female >60 years with : Unifocal lesion T1 stage ER-positive No lymphovascular invasion Margins negative by atleast2 mm Unsuitable patients for APBI : T3 or T4 stage , ER-negative disease, Multifocal, Multicentric, Extensive lymphovascular invasion (LVI), Positive margins.