... 20 screws two rods, in the year of feb 2014 had l4-s1 surgery lower lumber, two major surgerys with 6 screws, iam am considering getting hardware removed, but me and my surgeon r know for the first time trying this out medrol pak 4mg dont know what to really expect, knowing that all our body's are not the same hope for great results, if there us anyone with somewhat similar story please fill free to respond, anticipating very much so the feed back THANK you God Bless!!!