This chapter covers core curriculum topics relating to disorders of the oesophagus. A diagnostic and therapeutic approach to symptoms of gastro-oesophageal reflux disease is covered including physiology testing and the role of anti-reflux surgery. Other benign conditions causing dysphagia and chest pain are presented incorporating disorders of motility, infections, and the management of eosinophilic oesophagitis and oesophageal stricturing. Coverage is given to the investigation and management of patients with foreign body or caustic substance ingestions. There is particular focus on the investigation and management of oesophageal malignancy including in palliative stages, along with the various stages of Barret’s oesophagus. This includes diagnostic features, surveillance intervals and management of dysplasia associated with Barrett’s. Additional curriculum material regarding disorders of the oesophagus will also be covered in the mock examination chapter.