Expected headings
"Fluoroscopy"
"It is most commonly seen in males aged 20-40. It is an uncommon disease; however not rare."
"Oesophageal strictures, webs and spasm cause the presentation of food impaction."
"these ring-like strictures may co-exist with longer strictures and may be associated with oesophageal spasm, dysmotility and foreshortening"