1.Esophageal Diseases:
Esophagitis, esophageal diverticulum, esophageal stricture, esophageal varices, esophageal foreign bodies, esophageal cancer, etc.
2.Gastric and Duodenal Diseases:
Gastritis, duodenitis, gastric and duodenal ulcers, gastric cancer, etc.
3.Small Intestinal and Colorectal Diseases:
Inflammatory bowel disease, intestinal tuberculosis, colorectal polyps, irritable bowel syndrome, small intestinal and colorectal cancer
4.Liver Diseases:
Hepatitis, fatty liver disease, alcoholic liver disease, liver cirrhosis, liver cancer, etc.
5.Pancreatic and Biliary Diseases:
Pancreatitis, gallbladder and bile duct stones, pancreatic cancer, bile duct and gallbladder cancer, etc.

1.Upper and Lower Gastrointestinal Endoscopy (Diagnostic)
2.Upper and Lower Gastrointestinal Endoscopy (Therapeutic):
Hemostasis (band ligation, clipping, etc.), polypectomy,
endoscopic mucosal resection (EMR), dilation, stent insertion
3.ERCP (Endoscopic Retrograde Cholangiopancreatography)
4.Endoscopic Percutaneous Gastrostomy
5.Esophageal Manometry
6.Anorectal Manometry and Biofeedback Therapy