This life-size frontal section of the lower part of the esophagus, along with the upper part of the stomach, is designed to illustrate many common diseases in this area including: reflux esophagitis, ulcer, Barret’s Ulcer, esophageal carcinoma, esophageal varices, hiatal hernia. Mounted on base measuring 5½×4×7½ inches (14×10×19 cm).