Suggest Treatment For Lumber Spondylosis

hi sir...what kind of physiotherapy treatment,Pt management and exercise for given below for this condion.... btween 75 to 80 year old male lean,alkoholic and smoker patient...his MRI shows..subtle spondylolysthesis of L5 over S1 with right bulge and ligamentum flavium theckening causing thecal impression and bilateral lateral canal narrowing(more severe on right side) resulting in entrapment of corresponding exiting nerve roots.. other impression shows ...Lumber spondylosis with mild ligamentum flavium thickening in lumber spine..