What does the middle and lower esophageal lumen dilate mean?

Esophagus lumen dilation refers to the phenomenon of enlargement or widening of the lumen in the middle and lower esophagus.

Esophagus lumen dilation is usually found by medical imaging, such as esophagography, endoscopy, etc. There are many reasons for esophageal lumen dilation in the middle and lower esophagus. Generally, physiological factors are related to physiological factors, and may also be related to pathological factors. Among them, physiological factors are temporary lumen enlargement caused by food expansion on the esophageal wall during swallowing, and generally do not need treatment. However, if the middle and lower esophageal lumen expansion persists or continues to worsen, it may be caused by pathological reasons, such as esophagitis, esophageal ulcer, esophageal tumor, etc.