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:
achalasia of esophagus,
NCI:C84699,
hypertensive lower esophageal sphincter,
MESH:D004931,
Lack of reflex relaxation of lower oesophageal sphincter,
