Being a leading consultant gastroenterologist in London, Dr Matthew expertise in managing all general gastrointestinal problems, diseases, gastroenterology tests and treatments such as heartburn and indigestion, barrett's oesophagus, bowel cancer screening screening and treatment, constipation and diarrhoea, irritable bowel syndrome, oesophageal and gastric cancer, endoscopy, colonoscopy & endoscopic therapy, laser therapy, etc.