Ganguli et al. show that CDKN2A loss in Barrett’s esophagus prevents esophageal adenocarcinoma initiation by counterselecting subsequent TP53 loss and report context-dependent effects of 9p21 ...

An esophageal stricture is a gradual narrowing of the esophagus, which can lead to swallowing difficulties. Healthcare providers diagnose it in about 10 percent of people with gastroesophageal reflux ...

The esophagus is a muscular tube that carries food and liquids from the throat to the stomach. The esophagus runs through the middle of the chest cavity and has two circular muscles called sphincters ...