23 years ago I had my left parotid gland removed as Ihad cancer in it. One year after having radium treatment, I began having partial epilepsy due to damage of my let temporal lobe being damage, I also had excema in my left ear, 10 years later needed to be removed due to constant infection. this last year I have been having a swollen right paritid. my consultant gave me a mri scan the result showed theparotid clear, but something showed p in my mastoid bone, he sent me for a double mastoid c/t scan and now needs to c me to 'talk me through it what could it be