It cannot grow back after it is removed during nose job operation. As you know, after the surgery, there will be bruising and swelling will occur. Along with that it will take a year for your nose to take its final shape. During your recovery, you will still see some swelling and inflammation. These will disappear over time. The swelling does not equal to your dorsal humps for not being removed. The swelling will start to go down within 3 weeks post – operation.