In Between My Breast Feels Like When You Can Burp

In between my breast feels like when you can burp like I can't size round maybe guarter size I had gallblatter taken out 2 years ago I have IBS bowel movements are not that often.at er they check heart EKG blood work thank GOD that is normal they say gerd I'm sorry I can't explain it better chocolate used to cause it so I don't eat it any more they give me stomach meds can you help? I'm sorry I can't pay for this God bless thank you any way