Reports a temporary lump above the ear after early mobile-phone use, describes returning the phone and re…

I am David London now 80 and in early summer 2001 just after I started using my first cell phone as mother very ill experienced a lump over my right ear with 40 minutes use that appeared 24 hours after and lasted some 48 hours. I had stopped using. Kept records but when I brought the phone back to the store they insisted on keeping phone overnite and would not return next day. Admitted one of the readings was a problem. Lump eventually dissipated