Sometimes nocturnal regurgitation of undigested food Chest discomfort Barium swallow Esophageal manometry Endoscopy Cancer (eg, esophageal, gastric) Chronic, vague discomfort
[msdmanuals.com]
Dyspepsia Cause Suggestive Findings Diagnostic Approach Achalasia Slowly progressive dysphagia Early satiety, nausea, vomiting, bloating, and symptoms that are worsened by food
[msdmanuals.com]