Suggest Treatment For Severe Nerve Impingement In The Lower Back

i am 56 yr. old and have some back pain over the years but about 2 mouths ago.i started haveing

alot of lower pain mostly feels like in my but and legs. i got a mri and was told that i have a large

growth at number 4 with a server impengment of the nerve what is the best way to go forward.