Where is the esophagus positioned relative to the trachea?

Explanation:

The esophagus is a structure which is located in between the trachea and left atrium of the heart. It actually lies behind the trachea and situated on the left side of the atrium of the heart. The esophagus is a tube that connects the throat with the stomach. It is 8 inches long, and it is covered by by moist pink tissue that is called mucosa. The esophagus is situated behind the windpipe (trachea) and heart, and typically can be seen in front of the spine.

the ileocecal valve (also called bauhin valve), which limits the rate of food passage into the cecum and may prevent material from returning to the small intestine.

communicate with the patient and explain every step before proceeding to do so