Swelling 2+ years after septorhinoplasty

Male, mid 30s, 6ft, 12 stone. I am 2 years and 3 months post surgery and I still have swelling in my nose after septorhinoplasty. The swelling has reduced somewhat, since surgery, but still significant. When I tilt my head forward, or shake my head a little, I can feel "heaviness" in my nose. Also, when I wake up in the morning, my nose is larger, getting smaller as the day goes by. Why do I still have swelling after 2+ years, is there anything I can do about it? Thanks.