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Topic: Radiation for positive margin post mastectomy for DCIS

Forum: Radiation Therapy - Before, During, and After —

What to expect from treatment and ways to cope with side effects.

Posted on: Sep 14, 2020 04:12PM - edited Sep 14, 2020 04:22PM by Dres123

Dres123 wrote:

Hello everyone,


My wife just received her pathology report from her mastectomy—the margins for her IDC were all negative. For her DCIS, one margin (medial) was positive and one margin (nipple base) was close (less than 0.1mm). 0/5 nodes

I've read all the posts here that I could find about radiation post mastectomy for positive or close DCIS margins, including some links provided by Bessie. Thank you for that information!


My question is, does anyone have anecdotal experience or experience from conversations with Radiation Oncologists about whether to proceed with radiation post mastectomy for positive DCIS margins? My wife will be seeing a few ROs for opinions, and she is planning to take Tamoxifen, but I wanted to make sure she had all the right information to ask to make an informed decision.

Had anyone done rads after a positive DCIS margin?


thank you!!



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