https://pmc.ncbi.nlm.nih.gov/articles/PMC5056570/
Per Oral Endoscopic Myotomy in Children with Achalasia Cardia - PMC
Achalasia cardia (AC) is a motility disorder, characterized by impaired lower esophageal sphincter relaxation and absence of esophageal peristalsis. AC is rare...
in childrenachalasia cardiaperoralendoscopic
https://doctor.ndtv.com/faq/do-i-need-another-dilation-for-achalasia-cardia-10655
Do I need another dilation for achalasia cardia?
i needanotherdilationachalasiacardia