<prompt> What is the blood supply of the cervical esophagus-Inferior thyroid arterySuperior thyroid arteryBronchial arteryExternal carotid artery  <response>: Arterial supply of esophagus Cervical part - Inferior thyroid arteryThoracic part - esophageal branches of descending thoracic aorta, bronchial arteries.Abdominal part - left inferior phrenic artery, left gastric artery. 