Acid Reflux

For 7 years now I have had sharp chest pains with only it getting worse. Now as time has passed with this pain i get it more often and it now brings me to my knees. For this 7 years i have been pumped with anxiety and depression pills because the doctors and emergency rooms have told me the pains are panic attacks even though i said i am not depressed, maybe a little stressed due to thinking i am dying or having a heart attack but no way depressed. I have been told I have Pneumonia and the pains were from it even though i was not coughing or had fluid in my lungs, Fibromialgia, chest arthritis and here is a good one its ALL IN MY HEAD but not once in all these years to the emergency room thinking i am having a heart attack or my reglar doc did anyone check for acid reflux! I dont get heart burn, its severe pain. Chest pain right in the middle of my chest going towars the left side with bubbling or twitching over my heart and nausea in the stomach with gurgling also pain moves up left side of throat and into left arm (only left arm when very severe) I was just told (finally!) by a emergency room doctor i have severe acid reflux. And now that i have put two and two together i do get the pains more severely after eating with the nasuea/gurgling in stomach. I have a appointment with a speicalist middle of December but i am scared. Sympotoms are so bad right now i cannot eat anything without getting severe chest pains to the point i cannot do anything. What if these stupid doctors that said it was nothing for 7 YEARS caused it to be so bad now that its life threating or cannot be repaired. Now my signs include shaking, weakness and very dry mouth with horrible taste, gums and teeth are not doing well anymore even though i go to dentist every 6 months. Also now when i go to the bathroom i have this weird feeling thats not normal. Is there a chance that having this for so long without treatment it could be cancer? Thanks for any help you can give.