I am suffering from severe pain near chest and same in backside i visited a doctor and done ecg & 2d eco no heart prblm but the pain is getting severe.It has been fr 5yrs when pain comes I used drink water and pain reduces but now it's not working.I have undergone laparoscopic surgery for Achalesia Chordia in 2014 KIMS SECBAD.Iconsulted the doctor who operated me ,he, after observing the endoscopy report ,said no problem with the surgery and said the pain may be of gas problem and prescribed some gastric medicine and syrup.aftr consuming the sytop pain relieves but come again .there are many sleepless nights please advise me.