What is high-grade dysplasia? High-grade dysplasia is the precancerous changes in the growing cell of the esophagus. There are two types of dysplastic cells that cause two types of grade dysplasia, high-grade dysplasia, and low-grade dysplasia. BE cell (Barrett’s esophagus) can become abnormal or dysplastic. High-grade dysplasia (HGD) can significantly increase the risk of esophageal […]