Irshad A A K Shaikh, MS(gen surg), MD(research), FRCS, EBSQ(coloproct), MClinEd Consultant Colorectal and lead Robotic Surgeon College Surgical Tutor (RCSEng) Honorary Professor of surgery, University of East Anglia Sir Thomas Browne Academic Colorectal Surgical Unit Norfolk & Norwich University Hospitals NHS Foundation Trust Colney Lane, Norwich. NR4 7UY Spire hospital Norwich