An esophageal disease that is characterized by an inability of the esophagus to move food toward the stomach resulting from the lower esophogeal sphincter not fully relaxing during swallowing.
synonyms:
hypertensive lower esophageal sphincter,
SNOMEDCT_US_2023_03_01:17460002,
MESH:D004931,
esophageal achalasia,
NCI:C84699,
achalasia of esophagus,
UMLS_CUI:C0014848,
Lack of reflex relaxation of lower oesophageal sphincter,