Breast Reconstruction after Mastectomy

I had breast cancer 6 years ago. I initially had reconstruction using Latissimus Dorsi Muscle and an implant. The reconstructed breast sat higher than my real breast; as the implant seemed high on my chest. I had the implant removed as I had radiation and the implant suffered because of it. I had my breast rebuilt by fat grafting. This has made a huge difference. I have had 5 sessions of fat grating and completed my final one 2 years ago. They could never get my reconstructed breast to the same size of my real breast, therefore I had reduction on my real breast but the reconstructed breast is still a cup size smaller. My surgeon suggested that I have the smallest implant available inserted to make up the difference, as they cannot harvest anymore fat. I don’t know what to do. Has anyone had the same experience, or is there something else I could do instead of an implant. Don’t get me wrong the most important thing is I am healthy and well but I would like to feel normal when I look in the mirror too. If any of you can give me information or help it would be very much appreciated.