What Causes A Lump Between The Hip And Spine?

hi, i am a 48 yr. old woman who slipped at work, ialso have since noticed a bump about the size of a marble near spine between hip and spine. and after an mri found out; at l3 and l4 the intervertebral disc. is partially desiccated. there is a minor lft. lateral extradural abnormallity which messures 2 mm from front to back. the lesion does not extend into the neural foramina. there is minimal apophyseal joint athropathy but no significant focal spinal canal or foraminal stenosis. there is a moderate apophyseal joint athropathy most pronounced on the lft. side. i have alot of pain while standing, and alot of reffered pain in areas such as; hips, legs, ankles...etc. also; numbness esspecially in hips. my question is; i am doing physical therapy, using a tens unit and taking pain meds, but it seams to be getting worse. is this all related? or maybe something else? tired of the pain.... thnx