is it normal to have different size of boobs?

so i have a normal boob , then i have the other boob thats deformed looking and small and has underneath a 3rd nipple😳😒 Im so insecure with that boob because idk whats wrong with it? Idk if my mom had me wrong in her tummy or why i grew 1 deformed booob😭😭😭😭😭what do i dooooo