(a) Diagnosed with achalasia; (b) Underwent peroral endoscopic myotomy (POEM) surgery for achalasia; (c) Severe reflux symptoms 23 months later; (d) Esophageal squamous cell carcinoma located 25 ...

Achalasia happens when the processes that move food to your stomach don’t work properly. For food and liquids to pass from your mouth to your stomach, two things need to happen after you ...