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Dr James Ngu Chi Yong

Dr Ngu


Senior Consultant

Changi General Hospital

Specialty: General Surgery

Sub-specialties: Minimally Invasive Surgery, Therapeutic Endoscopy, Robotic Surgery, Colorectal Surgery

Conditions Treated by this Doctor:
Abdominal Pain, Anal Surgery, Appendicitis, Colon Cancer, Gallstones, Hemorrhoids (Piles), Inguinal Hernias, Per Rectal Bleeding, Pilonidal Disease, Polyps of the Colon and Rectum, Stoma.

Clinical Appointments

  • Senior Consultant Surgery Changi General HospitalChangi General Hospital
  • Senior Consultant Colorectal Surgery Changi General HospitalChangi General Hospital
  • Senior Consultant Colorectal Surgery Changi General HospitalChangi General Hospital
  • Senior Consultant Colorectal Surgery Changi General HospitalChangi General Hospital


Dr James Ngu Chi Yong graduated from the National University of Singapore in 2003 and was awarded a fellowship by the Royal College of Surgeons (Edinburgh) in 2013. He is currently a senior consultant colorectal surgeon in the Department of Surgery at Changi General Hospital (CGH).

Dr Ngu’s subspecialty interest lies in robotic and minimally-invasive surgery, including single-port and natural-orifice surgery for treatment of colorectal cancers and other benign inflammatory conditions that require operation.

Dr Ngu participates actively as a clinical instructor and speaker at advanced minimally-invasive colorectal surgery workshops in Singapore, Vietnam, India and Taiwan. He has also been appointed as a founding board member of the Robotic Surgery Society of Singapore and the honorary treasurer of the Singapore Society of Colorectal Surgeons.


  • FRCS (Edin)
  • MMed (Surgery)
  • MRCS
  • MBBS

Professional Appointments and Committee Memberships

  • Clinical Supervisor, House Officers and Medical Officers
  • Clinical Tutor, NUS Yong Loo Lin School of Medicine
  • Clinical Lecturer, NUS Yong Loo Lin School of Medicine
  • Reviewer, International Journal of Surgery Case Reports
  • Reviewer, International Journal of Medical Robotics and Computer assisted surgery
  • Reviewer, Journal of Gastroenterology and Hepatology
  • Reviewer, Singapore Medical Journal
  • Reviewer, Asian Journal of Surgery
  • Editorial Board Member, Asian Journal of Surgery
  • Honorary Treasurer, Society Of Colorectal Surgeons (Singapore)
  • Founding Member, Robotic Surgery Society Of Singapore
  • Fellow, Royal College Of Surgeons (Edinburgh)


  • Outstanding Educator Award 2017, CGH, 2018
  • WOW Thank You Award, CGH, 2017
  • WOW Thank You Award, CGH, 2016
  • Quarterly Best Service Awards, CGH, 2015
  • Gold Service Award, CGH, 2014
  • 10-year Long Service Award, CGH, 2013

Research Interests


  • Caecal pneumatosis is not an absolute contraindication for endoluminal stenting in patients with acute malignant large bowel obstruction. Ngu J, Lieske B, Chan KH, Lim TZ, Cheong WK, Tan KK. ANZ J Surg 2014;84:772-5.
  • Validation of the modified Ranson versus Glasgow score for pancreatitis in a Singaporean population. Tan YH, Rafi S, Tyebally Fang M, Hwang S, Lim EW, Ngu J, Tan SM. ANZ J Surg 2015.
  • Routine operative swab cultures and postoperative antibiotic use for uncomplicated perianal abscesses are unnecessary. Seow I, Ngu J. ANZ J Surg 2014.
  • Transanal natural orifice specimen extraction in colorectal surgery: bacteriological and oncological concerns. Ngu J, Wong AS. ANZ J Surg 2015.
  • Small bowel obstruction in the virgin abdomen: time to challenge surgical dogma with evidence. Yvonne Ying-Ru, James Chi-Yong Ngu and Andrew Siang-Yih Wong. ANZJSurg (2016) doi: 10.1111/ans.13714
  • Combined robotic transanal total mesorectal excision (R-ta TME) and single-site plus one-port (R-SSPO) technique for ultra-low rectal surgery – initial experience with a new operation approach. Li-Jen Kuo, James Chi-Yong Ngu, Yiu-shun Tong, Chia-Che Chen. Int J Colorectal Dis doi: 10.1007/s00384-016-2686-3
  • CME Article “Clinics in diagnostic imaging (171)”. Su Kai Gideon Ooi, Tien Jin Tan, James Chi Yong Ngu. Singapore Med J 2016; 57(11); 598-602 Insight into the da Vinci® Xi – technical notes for single-docking left-sided colorectal procedures. James Chi-Yong Ngu, Sarah Sim, Sulaiman Yusof, Chee-Yung Ng, Andrew Siang-Yih Wong. Int J Med RoboticsComput Assist Surg 2016; e1798; DOI: 10.1002/rcs.1798
  • Anorectal complications after robotic intersphincteric resection for low rectal cancer. Li-Jen Kuo, James Chi-Yong Ngu, Yan-Jiun Huang, Yen-Kuang Lin, Chia-Che Cheng, Yiu-Shun Tong, Szu-Chia Huang, Chia-Chen Hu, Shu-Hwa Tan. Surg Endosc, DOI 10.1007/s00464-017-5499-8, published online: 3 April 2017
  • The da Vinci Xi: a review of its capabilities, versatility, and potential role in robotic colorectal surgery. James Chi-Yong Ngu, Charles Bih-Shiou Tsang, Dean Chi-Siong Koh. Robotic Surgery Research and Reviews 2017:4 77-85
  • Laparoscopic treatment for hydrocele of the canal of Nuck. Koh FJ, Tay SC, Ngu J. Int J Case Rep Images 2017;8(10):672-674, October 2017 Chapter Contribution “Colonic Decompression” Diagnostic and Therapeutic
  • Procedures in Gastroenterology, Tiing Leong Ang, Daphne Ang, James Chi Yong Ngu. pp 297-305, 1st Online: 03 February 2018
  • Robotics confers an advantage in right hemicolectomy with intracorporeal anastomosis when matched against conventional laparoscopy. James Chi-Yong Ngu, Yvonne Ying-Ru Ng. Journal of Robotic Surgery;; published online: 22 February 2018

Research Trials