All are true about achalasia except (not related -pathology)
Destruction of the nerves to LES is primary pathology and degeneration of neuromuscular function of the body of esophagus is secondary. Absence of body peristalsis and poor LES relaxation is mandatory for diagnosis.
Dilatation of proximal segment
It predisposes to malignancy
Body peristalsis is normal
LES pressure is increased
All India exam