I HAVE HAD A COUGH FOR TWO MONTHS AND MY

I HAVE HAD A COUGH FOR TWO MONTHS AND MY VOICE BOX FEELS LIKE SOMETHING IS STUCK IN IT, AS WELL AS, MY RIGHT EAR HURTS. I HAVE HAD TWO CHEST X- RAYS AND A CHEST CT SCAN LAST WEEK. ALL CAME BACK NEGATIVE. I'm WORRIED ABOUT IT BEING SOME KIND OF THROAT CANCER. cAN YOU HELP ME?