Indent left breast just appeared, feels flat, soft what could be causing this? (Photo)

I had a revision and lift with swap of implants, previously my right breast was very bottomed out but seemingly out of nowhere this dent appeared in the left side, and looks disfigured. Admittedly it has only been about 4 months but something looks wrong and my surgeon in Miami said “it should round out give it time” has anyone seen anything like this? There is no pain, but it is distressing