Hi doctor, <br>this is about my mother.she is 58 years old, lately she is experiencing paing in her food pipe and not able to eat food properly..some few years back she use to eat betel nut a lot but quit like 5 years back. She went under endosopy and reports are yet to come, the only known part to me is that she has swelling in her food pipe.Is it serious.. how can it be treated and wht are the treatments <br>