<prompt> A 55 years old male had retrosternal discomfo unrelated to physical exeion. Pain gets worse after lying down there is paial relief with antacids. The most likely diagnosis is:Ischemic hea diseaseCarcinoma esophagusAchalasia cardiaHiatus hernia  <response>: From the given question Unrelated to physical exeion - Not ischemic hea disease Paial relief with antacids - Not Ca. Esophagus Achalasia cardia - Mostly present with dysphagia to liquids . Retrosternal discomfo --REFLUX Pain after lying down SLIDING HIATUS HERNIA Dx - Barium Swallow Tx - Laparoscopic hiatus hernia repairVia trans abdominal route 