Can Barrett's oesophagus cause oesophageal cancer?

Barrett's oesophagus is a change in the cells lining the lower oesophagus, often associated with long-term acid reflux. Some altered cells can acquire further changes over time, which is why clinicians may recommend surveillance.

During an endoscopy, a clinician examines the oesophageal lining and may take small tissue samples. A laboratory can check those samples for dysplasia, meaning abnormal cells that have not yet become invasive cancer. The presence and degree of dysplasia help guide the next step.

Barrett's oesophagus itself may cause no distinct symptoms. Reflux symptoms such as heartburn or acid coming back into the throat do not show whether dysplasia or cancer is present, so symptom control cannot replace recommended surveillance.

Keep appointments for endoscopy and biopsy at the interval set by your gastroenterology team. Take prescribed reflux medicines as directed, and discuss ongoing symptoms rather than changing treatment yourself. If dysplasia is found, options may include removing or destroying abnormal tissue through an endoscope; surgery may be considered in selected circumstances.

Avoiding tobacco and addressing reflux triggers may support oesophageal health. Bring a medicine list and previous endoscopy results to consultations so the team can compare findings and explain whether your monitoring or treatment plan needs to change.

Arrange prompt medical assessment if swallowing becomes difficult or painful, food feels stuck, vomiting persists, weight falls without trying, stools become black, or vomit contains blood. These warning signs require evaluation but do not by themselves establish a diagnosis of oesophageal cancer.

Seek urgent care if food is completely stuck, you cannot swallow liquids or saliva, you vomit a substantial amount of blood, or you feel faint with signs of bleeding. Do not wait for a routine surveillance visit when these problems occur.

Ask whether your biopsies showed dysplasia, when the next endoscopy is due, and what treatment would be considered if abnormal cells are confirmed. It is also useful to clarify which reflux symptoms can be managed routinely and which swallowing, bleeding or weight changes warrant an earlier appointment.