Figure 1From: Acute gastroesophageal intussusception in a juvenile Australian shepherd dog: endoscopic treatment and long-term follow-upThoracic radiograph in left lateral recumbency of the dog on the day of presentation. The esophagus is filled with barium contrast and is dilated. The stomach (S) is invaginated into the esophagus. There is a suspected diverticulum of the esophagus cranial to the heart (arrow).Back to article page