A medical procedure used to visually examine the interior of the digestive tract. It involves inserting a thin, flexible tube with a light and camera called an endoscope through the mouth or rectum to assess different parts of the gastrointestinal system, including the esophagus, stomach, small intestine, and colon.

• Gastroscopy
• Colonoscopy – involves examining the large intestine and rectum to screen for colorectal cancer, detect polyps, and investigate gastrointestinal symptoms like abdominal pain or changes in bowel habits. 
• Proctosigmoidoscopy
• Endoscopic Retrograde Cholangiopancreatography (ERCP) 
  An endoscopic retrograde cholangiopancreatography or ERCP   combines endoscopy and x-rays to check the gallbladder. This helps the doctor assess and treat gallstones and the gallbladder.Aug 1, 2020
•  Esophagogastroduodenoscopy (EGD)