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Endoscopic and radiologic findings of a sliding type hiatal hernia. A hiatal hernia is a portion of proximal stomach between the gastroesophageal junction (B ring; GEJ) and the diaphragmatic indentation (pinchcock action, PCA). If it is large, a hiatal hernia can be easily observed with a forward or retroflexed view during an upper gastrointestinal endoscopy (A, B) or with barium swallows (C).
