Hi there, I have only limited information but have learned about axillary ectopic
breast tissue, which I think is different than accessory
breast. Mine was glandular
tissue, not fat, so liposuction was not an option.
Due to our hormones these things can continue to grow, I hear when you get pregnant they get huge and can come back even if you've had surgery.
I had mine growing for 8 years (noticed it when I was 24) and was told similar things "Oh you don't want that big scar...