What a relief @JoeyLiz! Still so weird to say that about finding a health condition... But hey, it's not BC so reason to smile. I was the same with my gall bladder growth. Discovered during an US for suspicious liver spots. So weird, but that's our life now!
As well as BC, my gene mutation has been linked to thyroid cancer. I was researching tests/scans for this and learned that manual detection by a doctor is as effective, if not better, than by technology. So a couple of times a year I get my GP to check my thyroid. Very easy and low stress. You could add that into your health routine if it will set your mind at ease.
As soon as you're feeling better you crack on with Baby Two. 'Tis the season to be jolly and what could be more cheery than new life?! K xox