Functional disorders are those in which the gastrointestinal (GI) tract looks normal but doesn’t work properly,they are the most common problems affecting the GI tract (including the colon and rectum).

Constipation and irritable bowel syndrome (IBS), maintain a healthy digestion, absorption of nutrients, removal of waste and metabolic processes.

A gastroenterologist also needs to have a clear understanding of ailments affecting the organs of the gastrointestinal system like:

• Peptic ulcer disease
• Gastric cancers
• Esophageal cancers
• Achalasia
• Barret’s esophagus
• Colon polyps
• Colon and bowel Cancers
• Pancreatitis
• Pancreatic cancers
• Cholecystitis
• Biliary tract disease
• Gallbladder stones and cancer
• Hepatitis
• Gastroesophageal reflux
• Colitis
• Nutritional problems and malabsorption,
• Irritable Bowel Syndrome (IBS)
• A host of other disease conditions