have knot behind earrecent,seizures many.atte ntion problems,get lost in familar places,an small knot on top of head,hearing real bad,pain in neck on left side,muscle weakness.ha dUPJ kindey surgery in 2002,had spinal fusion in2013,then had to have another fusion w cadaver bone transplant,first surgery never even began to fuse.they found a tumor called hypercalcemia of maligantcy,had bone scan an one bout of radiation..then said was beniegn..an havent had a well day since.most recent is knot behind left ear an on top of head.i also had shingles in 2014..please help me.