Ear Pain from two Months. To do next.

Dear Sir / Madam, M getting this left ear pain from last two Months, went ENT Doc he said there is swelling in side my ear n prescribed me tab. CefpoClva twice a day, tab, Paracetamol + Aceclofenac twice a day, Levicet once a day, n ear drop. There was almost no pain till I complete my course, n aft two days I got pain again n went Different ENT Doc as previous Doc wasn't available, New Doc checked my both ears n said there is no problem in ear, N said that my throat is lil more red than it should be, I said Madam that I had a habit of Chewing Gutkha which left 3 months ago, n requested her to look in to my throat, She did Endoscopy (Reports are attached) n prescribed some medicine n drops, (Tab. Rebagine thrice a day, Syr Diovol LA, and Tab Hifolate once a day). There was no pain fro few days but again started from 3 days. When I google my Symyoms it says cancer Sometime.. I really worried. Plz suggest what to do next.