Achalasia is a rare esophageal motility disorder characterized by the inability of the lower esophageal sphincter to relax and the absence of normal esophageal peristalsis. This condition leads to ...

A CT scan of the chest, which is more sensitive and specific for aspiration pneumonia, empyema, and abscess than radiographs, shows diffuse alveolar and ground glass opacities, a common finding in ...

The assessment of disease severity in patients with achalasia is difficult. Timed barium esophagography (TBE) can be used to assess esophageal emptying by measuring the height of the barium column ...