hi. i am a 32 yrs old guy. for last three years i am having a problem in my in right hand upper side of my belly.its not a pain,a discomfort rather. i feels like it has balooned up from inside. when my stool comes in contact with water, i find bubbles.stool is very soft, one time a day or rarely two times.please help me to come out of this discomfort. usg,endoscopy,colonoscopy was normal before a year.mucas is present in stool.