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Dr Chang Sian Ying Heidi

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  • Associate Consultant, Division of Colorectal Surgery, Department of General Surgery, Ng Teng Fong General Hospital
  • Associate Consultant, Division of Colorectal Surgery, Department of General Surgery, Jurong Medical Centre


MBBS (Singapore), MRCS (Edinburgh), MMed (Surgery), FRCS (Edinburgh)


General Surgery

Clinical Disciplines/Programmes:

Acute Care Surgery, Colorectal Surgery, Minimally Invasive Surgery, Surgery

Special Interests:

Colorectal Cancer, Benign Colorectal Disease, Anorectal Conditions, Endoscopy

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Journals & Publications

  1. Kamikawa Double-Flap Reconstruction Following Minimally Invasive Ivor-Lewis Esophagectomy. Chia DK, Guowei K, Chang HS, Toh BC, So JB, Shabbir A. Ann Thorac Surg. 2019 Mar 11. pii: S0003-4975(19)30331-5. doi: 10.1016/j.athoracsur.2019.01.077. PMID: 30872101
  2. Adenocarcinoma in a Meckel's diverticulum presenting as a phlegmon: a case report and a review of the literature. Buan BJL, Chang HSY, Wang S, Chong CS. ANZ J Surg. 2018 Oct 24. doi: 10.1111/ans.14854. PMID: 30353991
  3. Survival outcomes following primary tumor resection for patients with incurable metastatic colorectal carcinoma: Experience from a single institution. Lau JW, Chang HS, Lee KY, Gwee YX, Lee WQ, Chong CS. J Dig Dis. 2018 Sep;19(9):550-560. doi: 10.1111/1751-2980.12657. PMID: 30117288
  4. Modern-day palliative chemotherapy for metastatic colorectal cancer: does colonic resection affect survival? Lau JWL, Chang HSY, Lee KY, Gwee YX, Lee WQ, Chong CS. ANZ J Surg. 2018 Nov;88(11):E772-E777. doi: 10.1111/ans.14726.PMID: 29938886
  5. Extent of field change in colorectal cancers with BRAF mutation. Poh A, Chang HS, Tan KY, Sam XX, Khoo A, Choo SN, Nga ME, Wan WK. Singapore Med J. 2018 Mar;59(3):139-143. doi: 10.11622/smedj.2017012 PMID: 2821074
  6. Obscure Bleeding from an Ovarian Carcinoma Invading the Small Bowel. Heidi CS, Chan DK, Solomon M, Tan KK.Am J Gastroenterol. 2017 Apr;112(4):534. doi: 10.1038/ajg.2016.545. PMID: 28381839
  7. An Unusual Cause of Rectal Invasion. Chang HS, Low JJ, Chong CS. Gastroenterology. 2016 Nov;151(5):815-816. doi: 10.1053/j.gastro.2016.07.003 PMID: 27713048
  8. Laparoscopic Removal of Intrahepatic Foreign Body: A Novel Technique for Management of an Unusual Cause of Liver Abscess--Fish Bone Migration. Tan CH, Chang SY, Cheah YL. J Laparoendosc Adv Surg Tech A. 2016 Jan;26(1):47-50. doi: 10.1089/lap.2015.0487.PMID: 26779724

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National University Health System
  • National University Hospital
  • Ng Teng Fong General Hospital
  • Alexandra Hospital
  • Jurong Community Hospital
  • National University Polyclinics
  • Jurong Medical Centre
  • National University Cancer Institute, Singapore
  • National University Heart Centre, Singapore
  • National University Centre for Oral Health, Singapore
  • NUHS Diagnostics
  • NUHS Pharmacy
  • Yong Loo Lin School of Medicine
  • Faculty of Dentistry
  • Saw Swee Hock School of Public Health
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