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Facts and Myths about Breast Cancer
Questions on the facts and myths of breast cancer.
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AskedPublicly Submitted Question
1/14/2017Hello- I just submitted the question below and was given the response below: I have an additional question, please see below your answer.


Originally diagnosed with DCIS. ER - , PR - High nuclear grade (3) . Was told I was stage 0

Underwent a mastectomy/reconstruction last week. Final pathology showed DCIS size 60mm, HER-2 positive, high nuclear grade (3) with microinvasion less than 1mm.

Nipple was removed due to DCIS and Paget's disease.

Am I now stage 2b? What is survival rate of HER-2 positive? Will I need chemo, herceptain and radiation?

Thank you,

Replied JHU's Breast Center Reply
1/14/2017 oh gracious, NO you are not stage 2b. you actually are still stage 0 with a footnote that documents the presents of microinvasion. still a 99% survival rate. rest easier. no chemo. no radiation, likely no herceptin.

But if I am HER-2 positive don't I need Herceptin? Why would I not need it? And why am I still considered stage 0 if my DCIS was 60mm? Isn't that fairly large? I also have a high nuclear grade and
a microinvasion. Sorry for all the questions, I haven't slept in 24 hours researching my pathology report.
RepliedJHU's Breast Center Reply
1/14/2017Herceptin is for invasive breast cancer only. not for a microscopic finding of invasive cells but truly measurable as a tumor. It doesn't matter how large of an area DCIS measures out to be, it still is stage 0. There is a study i think related to giving herceptin in some cases for DCIS that is HER2 positive, or at least a discussion about doing a study i believe. you truly lucked out in a wonderful way!!!!!start sleeping and sleeping well dear.

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