#FGDebate: Investigating for Bowel Cancer

Date: 26th April 2018

Time: 20:00-21:00

Guests: Dr Andrew Plumb @aaoplumb and Dr Siwan Thomas-Gibson @SiwanTG



Dr Andrew Plumb

Andrew Plumb is a Senior Lecturer in Medical imaging at University College London and Consultant Radiologist at UCLH. He trained at St John’s College, Oxford University before completing the MRCP in 2007. His initial radiology training was in Manchester, gaining the FRCR in 2010, for which he was awarded the Frank Doyle Medal. He holds a PhD in CT colonography from University College London and was appointed a consultant in 2014. In recognition of his commitment to ensuring the availability of high quality diagnostic services, he sits on the World Endoscopy Organization post-test colorectal cancers working group, and is the Royal College of Radiologists member of the Joint Advisory Group (JAG) for UK endoscopy. He is also a member of the English national Bowel Cancer Screening Programme radiology Quality Assurance group, and is the Radiology representative for the British Society of Gastroenterology / Public Health England adenoma surveillance guidelines group. He is the current British Society of Gastrointestinal and Abdominal Radiology (BSGAR) research officer and leads active research programmes in gastrointestinal and early translational clinical imaging.

Research interests

  • CT colonography, particularly its application to the NHS Bowel Cancer Screening Programme
  • Crohn’s disease, including the role of MRI in predicting clinical outcome and response to treatment
  • Photoacoustic tomography for human vascular and oncological imaging


Dr Siwan Thomas-Gibson

Dr Siwan Thomas-Gibson is a gastrointestinal endoscopist and luminal gastroenterologist. She has been a consultant at the hospital since 2006. Since 2011 she has been the Clinical lead for the department and the deputy director of the Bowel Cancer Screening unit. Her specialist interests include the prevention, diagnosis and endoscopic management of pre-cancerous colonic lesions, both as a screening procedure but also in patients with inflammatory bowel disease and those at increased risk of developing colorectal cancer. She specialises in advanced endoscopic imaging and complex therapeutic endoscopy including endoscopic mucosal resection, colonic stricture dilation and colonic stent insertion.
A significant part of her role in the department is devoted to postgraduate education and training of endoscopists. Her work in the area of training in colonoscopy aims to improve the quality and standard of care to all patients undergoing endoscopic examination. 

Dr Thomas-Gibson has represented the hospital at numerous national and international meetings. In 2002 she was awarded the John of Arderne medal by the Royal Society of Medicine’s coloproctology section for her research work. In 2006 she was awarded an MD for her work in ‘Improving Training and Assessment in Colonoscopy’. This work has generated a number of scientific papers and book chapters. She is regularly invited to speak on issues concerning the improvement of colonoscopy standards. She regularly teaches national and international trainees attending endoscopy hands-on, therapeutic and lecture courses. She is actively involved in research and development in endoscopic training. She is a member of the British Society of Gastroenterology. She sits on the British Society of Gastroenterology Endoscopy committee and represents the unit an the World Endoscopy Organisation.

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