Hi, I finished two weeks of radiotherapy on my left breast three weeks ago, having had a partial mastectomy in April followed by three months of chemo. I was lucky in that I got through radio with minimal pain and soreness, but today I have started to get stabbing pains behind my breast that feel like indigestion/heartburn, which I know it isn’t. I also started Letrozole two weeks ago. Does anyone else recognise this? Rather confused as to whether it’s from the radio, the Letrozole or whether it’s just a coincidental muscle thing,
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I had a lumpectomy, chemo, followed by 5 days of radiotherapy. I then started Anastrazole which I’m still on a year later. I had 3 or 4 months of sporadic pain in my breast. Like you I didn’t whether it was the radiotherapy or the aromatase inhibitor. I’m sure now it was the radiotherapy as I’m pretty much back to normal (a bit of Lymphoedema in my breast). I found a more supportive bra helped a bit.
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Thank you so much for coming back.
Hi @Plumcat,
Welcome to the forum, we hope you find it a helpful and supportive place. I’m sorry to hear what you’re going through.
Please do have a look through the various boards and topics to find those going through similar experiences or for places you may be able to share your experiences and knowledge.
This is a very supportive place, so please do ask any questions you may have.
All the best,
Alice 
Hello Plumcat,
Welcome to the forum. So sorry you are feeling uncomfortable and anxious at the moment, I feel a lot of the ladies would say they felt the same after surgery, radiotherapy and treatment you’ve been through a lot and now you’re going through a healing process.
I feel maybe a call to your Breast Cancer nurse at the hospital were you attend, please don’t sitting on this have a chat with your nurse for reassurance this will hopefully help you to move forward. I always say one day and a time
Wishing you well, health and happiness with a big hug
Tili 
Thank you Tili.
Thanks Alice, i do think it’s a brilliant forum.