What is the maximum V20 on ipsilateral lung that can be safely accepted for 3 or 4-field breast plans?  

V20 of 30% can be hard to attain if IMs are being treated.



Answer from: Radiation Oncologist at Academic Institution
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Radiation Oncologist at Varian Medical Systems/Allegheny health network
I agree that the dose volume histogram data for PM...
Radiation Oncologist at Varian Medical Systems/Allegheny health network
Few other technique which helps in decreasing lung...
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Answer from: Radiation Oncologist at Academic Institution

Answer from: Radiation Oncologist at Community Practice