Specialties
Education
- MD, University of Wisconsin School of Medicine and Public Health, Madison, WI
- MS, University of Wisconsin School of Medicine and Public Health, Madison, WI
- General Surgery Residency, University of Utah School of Medicine, Salt Lake City, UT
- Complex General Surgical Oncology Fellow, University of Toronto, Toronto, ON
- Hepatobiliary Fellow, University of Toronto, Toronto, ON
Clinical Specialties
Dr. Acher is a Hepatobiliary surgeon and Surgical Oncologist, specializing in minimally invasive and open surgical approaches to treating pancreas, biliary, and liver cancers, colorectal liver metastases, luminal cancers, neuroendocrine tumors and retroperitoneal sarcoma.
Research Interests
Dr. Acher’s research interests include: radiologic histologic correlation in pancreas, liver, and biliary cancers, the use of radiomics to improve staging imaging and surgical planning, the use of radiomics and pathologic-radiologic correlation to assess tumor response to systemic or locoregional therapies, and applying systems engineering approaches to streamline medical processes and systems.
Recent Publications
Predictors of quality-of-life following liver resection for malignancy.
Greenberg B, Acher AW, Habib R, Castelo M, Wang SM, Roke R, Xu G, Thorpe K, Guttman MP, Hallet J, Karanicolas PJ
HPB (Oxford) 2025 Dec 04;
[PubMed ID: 41565523]Classification of postoperative pancreatic fistula after left pancreatectomy: international multicentre cohort study.
Bonsdorff A, Yu W, Kirkegård J, de Ponthaud C, Kjeseth T, Ghorbani P, Wennerblom J, Williamsson C, Acher AW, Thillai M, Tarvainen T, Uutela A, Sirén J, Kokkola A, Kleive D, Sahakyan M, Hagen RE, Lund A, Fugleberg Nielsen M, Fristedt R, Biörserud C, Bratlie SO, Tingstedt B, Labori KJ, Gaujoux S, Wigmore SJ, Hallet J, Sparrelid E, Sallinen V
BJS Open 2025 Oct 30; 9(6)
[PubMed ID: 41335124]Association between anaesthetist hepatopancreatobiliary volume and outcomes.
Hallet J, Acher AW, Jivraj N, McIsaac DI, Carrier FM, Turgeon AF, Flexman A, Lorello GR, Chan WC, Gombay A, Ding A, Armah J, Eskander A, Sutradhar R
Br J Surg 2025 Sep 02; 112(9)
[PubMed ID: 40982472]Impact of neoadjuvant therapy on short-term outcomes after left pancreatectomy: A propensity score-matched international multicenter study.
Bonsdorff A, Kjeseth T, Sahakyan M, Kirkegård J, de Ponthaud C, Ghorbani P, Wennerblom J, Williamson C, Acher AW, Thillai M, Tarvainen T, Uutela A, Sirén J, Kokkola A, Hagen RE, Lund A, Nielsen MF, Fristedt R, Biörserud C, Bratlie SO, Tingstedt B, Labori KJ, Gaujoux S, Wigmore SJ, Hallet J, Sparrelid E, Kleive D, Sallinen V
Surgery 2025 Sep; 185: 109552
[PubMed ID: 40669154]Mismatch Repair, Matched with Hope? Revisiting Survival in MSI-H Pancreatic Ductal Adenocarcinoma.
Acher AW, Hallet J
Ann Surg Oncol 2025 Oct; 32(10): 7106-7107
[PubMed ID: 40652154]