Hi there. I’ve spent 2 years getting clear x-rays, but I’ve still got a lump on my lower left buttock the size of a grapefruit. The damage was caused when my horse bolted and threw me against a stone wall at speed. Doctors kept saying the swelling would go down when the body re-absorbed blood and damaged tissue etc. But the bruising is long gone and the bump, and pain isn’t! The pain is tight and muscular, concentrated about two inches to the left of my spine in my mid-buttock area. When aggravated it radiates upwards at a diagonal. Anyone got any ideas?