Why Does the Left Side of my Body Have More Fat Than Than Right Side?

I lost weight (45lbs) and now my right breast is noticeably smaller than the left. While obsessing over that I realized that whole side of my body has less fat in it yet the only significant difference is the right breast my left breast hasn't changed much all. It's like my right boob is hollow, It's lacking fat in the top and side. They were always slightly different but this is too much. I need to increase my right one by atleast half a cup size. I was thinking of gaining the weight back.

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