Esophageal dilatation, Upper endoscopy, Esophageal manometry, Bravo capsule pH test, Colonoscopy, GI motility test, Abl...ation, Breath testing, Endoscopic mucosal resection, Anorectal manometry, Impedance pH testing, pH testing, Gastroesophageal reflux disease, Esophageal spasms, Dysphagia, Achalasia, Gastrointestinal bleeding, Indigestion, Gastrointestinal varices, Constipation, Barrett's esophagus, Gastroparesis, Esophagitis, Esophageal stricture, Gastrointestinal disorder, Esophageal cancer, Colon cancer, Polyp, Pelvic floor dysfunction, Gastrointestinal perforation, Colonic dysmotility, Chronic gastrointestinal bleeding, Esophageal foreign body , Radiation proctopathy