Would you recommend removal of pec muscle for a positive microscopic deep margin post mastectomy?

Would you recommend this for a focally +, diffusely +, grossly + margin? What would you expect local recurrence rate for diffusely (+) microscopic margin after PMRT?

Answer from: Radiation Oncologist at Community Practice

Pec fascia and muscle involvement are independent risk factors for local relapse even with a negative margin. The situation is not common but for microscopic positive margin, have offered PMRT with an additional boost to the area of close margin (60-66 Gy and used pre-surgery imaging to identify the...

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Radiation Oncologist at Advocate Radiation Oncology
Would you include regional lymph nodes for pN0?&nb...

Radiation Oncologist at Varian Medical Systems/Allegheny health network
Would treat the chest wall only if pNO.

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Would you recommend removal of pec muscle for a positive microscopic deep margin post mastectomy?

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