Expertise in Digestive Endoscopy (Gastroscopy & Colonoscopy), Gastrointestinal Diseases such as acid-related conditions (GERD, gastritis & peptic ulcer disease); Liver (viral hepatitis A, B & C, fatty liver dse., alcohol-related, cirrhosis & mass); Pancreas (acute/chronic pancreatitis & mass); Inflammatory Bowel Diseases, etc.