Colorectal Clinic Associates
Adjunct Associate Professor
Department of Surgery
National University of Singapore
Former Head, Division of Colorectal Surgery
University Surgical Cluster,
National University Health System
Former Head, Division of Surgical Oncology
National University Cancer Institute, Singapore
Department of Colorectal Surgery
Singapore General Hospital
Board of Governors of the Society for
Endoscopic & Laparoscopic Surgeons of Asia
Fellow of the American Society of
Colon & Rectal Surgeons
Honorary Fellow of The Bangladesh College
of Physicians & Surgeons
Hospital Raja Permaisuri Bainun, Ipoh, Malaysia
Traditional Chinese Medicine University, Nanjing
Dr Charles Tsang Bih-Shiou （曾弻修医生）
Former Head of Colorectal Surgery
National University Hospital, Singapore
Former Head of Surgical Oncology
National Cancer Institute of Singapore
Adjunct Associate Professor in Surgery
Department of Surgery, Yong Loo Lin School of Medicine, National University of Singapore
Adj Associate Professor Charles Tsang graduated from medical school at the National University of Singapore in 1987, obtained his Fellowship Diploma in Surgery from the Royal College of Surgeons of Edinburgh and Royal College of Physicians and Surgeons of Glasgow in 1993. He completed a Clinical Fellowship in Surgery at the Leeds General Infirmary, UK in 1994 and went on to successfully complete an advanced residency in Colon and Rectal Surgery at the University of Minnesota. He emerged at the top of the class and was the first non American to be award the Carl E Christensen Outstanding Resident Scholar Award in 1997. He then successfully defended his thesis in 1998 and graduated with a Master of Science in Experimental Surgery. He became a Fellow of the Academy of Medicine and an accredited Specialist in General Surgery in 1999. With an experience spanning 12 years as a Consultant Colorectal Surgeon, he was the Head and Senior Consultant, Division of Colorectal Surgery as well as Head of Surgical Oncology with the National University Cancer Institute of Singapore, before moving to private practice on 2 July 2012. As such, he is a highly accomplished surgeon, well versed in laparoscopic and robotic surgery for both cancers and benign disorders, proctology, advanced therapeutic endoscopy and functional bowel disorders such as constipation and incontinence.
Adj Associate Professor Tsang is very passionate about teaching undergraduates and postgraduate is currently an Adjunct Associate Professor of Surgery in the Yong Loo Lin School of Medicine, National University of Singapore. He was instrumental in starting a highly successful and competitive Fellowship training program in Colorectal Surgery at NUH which has over the years benefited numerous surgeons from ASEAN, China, India and the UK. In recognition for his contributions to the development of colon and rectal surgery in Singapore and South East Asia, Adj Associate Professor Tsang was made an International Fellow of the American Society of Colon and Rectal Surgery. For his leadership efforts in the development and promotion of endoscopy and laparoscopic colorectal surgery, he was also elected a member of the Board of Governors of the Society for Endoscopic and Laparoscopic Surgeons of Asia.
Adj Associate Professor Tsang also has an impressive research background, having held grants from A*STAR and EXPLOIT. He has authored and co-authored numerous papers in peer reviewed journals and has contributed to several book chapters. He is a member of the Editorial Board of the Korean Journal of Coloproctology as well as a reviewer with the Diseases of Colon and Rectum and the British Journal of Surgery.
Adj Associate Professor Tsang is also a frequent invited speaker at many international meetings for his expertise in the management of complex anal fistula and colorectal cancer. One of his areas of interest is in endorectal and endoanal ultrasound imaging for which he is a recognised world authority. Adj Associate Professor is also a pioneer surgeon in the development and promotion of the LIFT technique for treatment of anal fistulas in Singapore and the region. He was also the first surgeon in Singapore and in the region to have performed sacral nerve modulation as well as implanted artificial bowel sphincters for faecal incontinence. As Head of Colorectal Surgery at NUH, he also started the Robotic Colorectal Surgery programme in collaboration with Korea University, where he was also appointed a Visiting Professor. In the field of advanced therapeutic endoscopy, Adj Associate Professor Tsang also collaborated with Jichi Medical University in Japan to develop endoscopic submucosal dissection techniques for removal of early colorectal tumors endoscopically at NUH. He also started the double balloon enteroscopy programme at NUH for evaluation of small bowel disorders.
Adj Associate Professor Tsang has won numerous awards including Five Years of Dedicated Voluntary Service to the Community by the People’s Association in 2003 and the Excellent Service Star and Gold Award in 2008 and 2009 respectively by the National University Hospital. He currently practices full time as a colorectal surgeon at Colorectal Clinic Associates and is a Visiting Senior Consultant at the Department of Colorectal Surgery in Singapore General Hospital. He is also a Visiting Consultant to Hospital Raja Permaisuri Bainun in Ipoh and the Traditional Chinese Medicine University in Nanjing.