Association of esophageal motility disorder symptoms with Chicago classification versions 3.0 and 4.0 using high-resolution esophageal manometry: A single-center experience from Saudi Arabia.

Background: Esophageal motility disorders (EMDs) can significantly impact patients' quality of life. The Chicago Classification (CC) was developed as a robust framework to enable clinicians to better understand and classify the nature of motility disorders. Previous studies have primarily focused on the CC version 3.