I had a prophylactic double mastectomy 2 years ago. I’ve had 6 revision surgeries since. My last surgery was 7 months ago. My implant flips regularly. I now have a sloshing sound and feel air bubbles in the breast. I’m waiting on an ultrasound but that could take weeks. The breast now feels like it’s full of air and is growing in size substantially. There is a hollow sound when palpated. Is it possible for air to get into the breast pocket? Should I be concerned?