When a portion of the proximal stomach and the paraesophageal junction move above the diaphragm,this is called a:

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When a portion of the proximal stomach and the paraesophageal junction move above the diaphragm, it is called a sliding hernia. A rolling hernia is when the gastroesophageal junction stays in place but a portion of the stomach moves up to sit beside it. Dysphagia is difficulty swallowing, pyloric stenosis is a narrowing of the opening between the stomach and small intestine, and gastroesophageal reflux disease (GERD) is a condition where stomach acid flows back into the esophagus.

When a Portion of the Proximal Stomach and the Paraesophageal