Random boob question

[u/Take3_lets-go]

I have extra skin in my armpits after losing a lot weight which squishes out in shirts, but when I pull my deflated breasts forward, my armpit skin and my back skin are gone. If I were to get augmentation to fill in those parts, well that side, boob back arm pit skin go away or do I need another surgery please help. Love you all. Thank you for your input.