I have troble swallowing.I had a EGD in march and had my esphgagus streched and they said i have GERD,i take nexium after a year on pliosec.food gets stuck in my throat and i cant swallow i have to gag and get it all up.i am on a bland soft diet and still haveibng trouble. I am having another EGD on NOV 2. what could this be.