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DCIS grade 3 HER+++ Positive with close margins after mastectomy in 2013. I've now found a hard lump under my mastectomy scar. Has anyone else had this happen?

Untamedwolf66
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I was diagnosed in 2013 with DCIS high grade 3, HER Positive +++ I undertook a mastectomy same year (close margins), and was prescribed tamoxifen but after 5 months was discontinued due to painful side effects.

Have recently discovered a hard lump (not painful) just under mastectomy scar November 2025. Anyone else experienced this? Also I have had a persistent cough for the past 6+ months and feeling so tired even after doing small chores.

Saw breast consultant last Friday 28/11/25 unfortunately there was no qualified radiologist to perform a scan or biopsy and now have to wait until the 9/12/25

Any advise will be extremely appreciated.

  • Hi Untamedwolf66,

    Welcome to Cancer Chat. It's good to hear you've had this checked out although it is a shame that you are having to wait longer than expected. I hope you're getting on as OK as can be - I know the uncertainty can be difficult and it's never easy waiting for appointments and answers.

    I wanted to send a reply to your post to give it a little boost, so a few more people should see it and hopefully you'll get more replies - particularly if others with similar experience see it.

    From the homepage of the forum you can also use the search bar to find other relevant discussions and people to connect with, if you'd like to.

    Wishing you all the best,

    Ben
    Cancer Chat Moderator

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