system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are true about achalasia except (not related -pathology)
assistant
The correct answer is  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.