Gastroenterology Services Learn more about the gastroenterology services provided by West Georgia Gastroenterology Associates. Colonoscopy Upper Endoscopy Flexible Sigmoidoscopy TIF Procedure ERCP Esophageal Dilation Esophageal Manometry/Motility Study Small Bowel Capsule Endoscopy (Pill Camera) Hemorrhoid Banding Bravo PH Study Restech EndoFLIP Radiofrequency Ablation Barrett’s Esophagus