Tyler Chesney




Tyler Chesney is a colorectal and gastrointestinal surgical oncologist at St. Michael’s Hospital, Assistant Professor at the University of Toronto in the Department of Surgery, and Investigator at the Li Ka Shing Knowledge Institute. He completed medical school at McMaster University in 2013 and a Master of Science at Queen’s University focusing on knowledge translation in cognitive aging and dementia. He completed residency in General Surgery at the University of Toronto in 2018, and Complex General Surgical Oncology at the University of Toronto in 2020.

He has a longstanding commitment to caring for older adults including volunteer work with Alzheimer Society and Hospice, leadership of the geriatrics interest group in medical school, and research and clinical activity as a surgical trainee. Now, he is a member of the Canadian Network on Aging and Cancer (CNAC), the International Society of Geriatric Oncology (SIOG) Surgical Ad-Hoc Committee, and the Canadian Society of Surgical Oncology (CSSO) Executive Committee.  He has a strong interest in building collaborative networks within Canada to enhance the care of surgical oncology patients. His ongoing clinical and scholarly work aims to build clinical capacity of geriatric surgical oncology and advance the care of older adults with cancer within Canada. At St. Michael’s he is helping to build the Older Adults Surgery & Oncology Program (OSOP), and creating cross-specialty learning events between surgery and geriatrics trainees.

Recent Publications

  1. Chesney, TR, Coburn, N, Mahar, AL, Davis, LE, Zuk, V, Zhao, H et al.. All-Cause and Cancer-Specific Death of Older Adults Following Surgery for Cancer. JAMA Surg. 2021; :e211425. doi: 10.1001/jamasurg.2021.1425. PubMed PMID:33978695 .
  2. Bennett, S, Chesney, T, Coburn, N, Zuk, V, Haas, B, Zhao, H et al.. Long-Term Dependency Outcomes in Older Adults Following Hepato-Pancreato-Biliary Surgery for Cancer: A Population-Based Analysis. Ann Surg. 2021; :. doi: 10.1097/SLA.0000000000004867. PubMed PMID:33914463 .
  3. Chesney, TR, Hallet, J. Time at Home as a Patient-Centered End Point for Surgical Cancer Treatment-Reply. JAMA Surg. 2021; :. doi: 10.1001/jamasurg.2021.0646. PubMed PMID:33881477 .
  4. Menjak, IB, Giffoni de Mello Morais Mata, D, Chesney, TR, Haase, KR. Predicting treatment toxicity in older adults with cancer. Curr Opin Support Palliat Care. 2021;15 (1):3-10. doi: 10.1097/SPC.0000000000000539. PubMed PMID:33399394 .
  5. Chesney, TR, Bogach, J, Devaud, N, Govindarajan, A, Wright, FC. How We Did It: Creating Virtual Interviews for Postgraduate Medical Trainee Recruitment and Keeping it Personal. Ann Surg. 2021;273 (2):e60-e62. doi: 10.1097/SLA.0000000000004183. PubMed PMID:33156075 .
  6. Chesney, TR, Haas, B, Coburn, NG, Mahar, AL, Zuk, V, Zhao, H et al.. Patient-Centered Time-at-Home Outcomes in Older Adults After Surgical Cancer Treatment. JAMA Surg. 2020;155 (11):e203754. doi: 10.1001/jamasurg.2020.3754. PubMed PMID:33026417 PubMed Central PMC7542525.
  7. Chesney, TR, Haas, B, Coburn, N, Mahar, AL, Davis, LE, Zuk, V et al.. Association of frailty with long-term homecare utilization in older adults following cancer surgery: Retrospective population-based cohort study. Eur J Surg Oncol. 2021;47 (4):888-895. doi: 10.1016/j.ejso.2020.09.009. PubMed PMID:32980211 .
  8. Chesney, TR, Haas, B, Coburn, NG, Mahar, AL, Zuk, V, Zhao, H et al.. Immediate and Long-Term Health Care Support Needs of Older Adults Undergoing Cancer Surgery: A Population-Based Analysis of Postoperative Homecare Utilization. Ann Surg Oncol. 2021;28 (3):1298-1310. doi: 10.1245/s10434-020-08992-8. PubMed PMID:32789531 .
  9. Melland-Smith, M, Chesney, TR, Ashamalla, S, Brenneman, F. Minimally invasive approach to low-velocity penetrating extraperitoneal rectal trauma. Trauma Surg Acute Care Open. 2020;5 (1):e000396. doi: 10.1136/tsaco-2019-000396. PubMed PMID:32426526 PubMed Central PMC7228675.
  10. Acuna, SA, Chesney, TR, Baxter, NN. Using Patient Preferences to Determine Noninferiority Margins in Trials-Reply. JAMA. 2019;322 (21):2138. doi: 10.1001/jama.2019.16345. PubMed PMID:31794622 .
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Affiliations & Other Activities

  • Department of Surgery, University of Toronto
  • Department of Surgery, St. Michael’s Hospital, Toronto