What is an increased risk associated with Barrett's esophagus?

Barrett's esophagus is a condition where the cells lining the esophagus change due to prolonged exposure to stomach acid, often as a result of gastroesophageal reflux disease (GERD). This cellular change is significant because it can increase the risk of esophageal cancer, particularly adenocarcinoma. The altered cells in Barrett's esophagus are considered precancerous, which means that individuals with this condition are monitored closely for any signs of dysplasia or progression to cancer.

In contrast, while heart disease, peptic ulcers, and GERD may be relevant to the overall health of an individual, they are not specific risks directly associated with Barrett's esophagus like esophageal cancer is. GERD may actually be the underlying cause of Barrett's esophagus rather than a risk that increases due to it. Therefore, the most pressing concern for someone diagnosed with Barrett's esophagus is the increased risk of developing esophageal cancer.