Round tip/thinking of revision. Is this possible to fix?

I had a nose job about 8 months ago. It has not turned out the way I had hoped at all. There is excess swelling past the bridge and on the left side. The tip is very round and there is no definition to it. I’m not sure if it is the swelling or final result. Have had a cortisone shot. Nothing helped. Want to do revision rinoplasty to fix. Very nervous for the risk. Would love so advice. If this is possible to fix or really hard.