Complex sentence: This is done to remove or "bypass" a part of the "food pipe" that is the esophagus.Normally done to remove cancer tumors from the esophagus.If taken up at an appropreate time it can prove to be life saving.
Split into simpler sentences: This is done to remove a part of the gastrointestinal tract ("food pipe") that is the esophagus. It is normally done to remove cancer tumors from the esophagus.If taken up at an appropriate time it might prove to be life saving.