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Colon/Rectal Surgery Scholarly Activity & Research

Scholarly Activity and Research

For more information on this program and the five physicians of MPC Colon and Rectal Surgery, please contact our coordinator at

  • Cost-effectiveness analysis of selective use of neoadjuvant chemo radiation in locally advanced rectal cancer. 2022
  • Quality and improvement in rectal cancer treatment 2022
  • Standardizing Colorectal Adenoma with Invasive Adenocarcinoma Pathological Staging with Submucosal Level Invasion (Sm1-3) in Addition to Standard Colorectal Cancer Synoptic Findings: A Quality Improvement Project. 2019
  • Surveillance Intensity Comparison by Risk for T1NX Locally Excised Rectal Adenocarcinoma: A Cost-Effectiveness Analysis 2019
  • Hemorrhoid Banding: A Cost-effectiveness Analysis, 2018
  • Composite Anatomical Reconstruction of the Perineum - Improved Perineal Wound Outcomes 2018
  • Quality of Life and Cost-effectiveness of Low Anterior Resection, A Comparison of Approaches 2017
  • Quality Assessment / Improvement Project Studying Status Changes in Genetic Variances of Unknown Significance in Colorectal Cancer Related Genes 2015-2018
  • Quality Assessment / Improvement Project Studying the Quality of Life, Surgical Outcomes and Cost Effectiveness Analysis in Colon and Rectal Cancer Patients as a Function of Treatment 2015-Present
  • A Phase II Multicenter, Randomized Trial Evaluating 3-year Disease Free Survival in Patients with Locally Advanced Rectal Cancer Treated with Chemoradiation Plus Induction or Consolidation Chemotherapy and Total Mesorectal Excision or Non-Operative Management 2015-Present
  • Cost-Effectiveness Analysis of Total Neoadjuvant Therapy Versus Standard Neoadjuvant Chemoradiation and Postop Adjuvant Chemotherapy for Locally Advanced Rectal Cancer 2017-Present
  • Timing of Rectal Cancer Response to Chemoradiation 2003-Present
  • Quality of life, clinical and oncologic outcomes in a prospective institutional database of colorectal cancer patients 2004-Present

Contact Us

Zachary Torgersen, MD

Program Coordinator
Loretta Melichar

Creighton University School of Medicine Colon and Rectal Surgery
9850 Nicholas St.
Suite 100
Omaha, NE 68114

Ph: 402.354.1810
Fax: 402.343.1177
Monday-Friday, 8:00 a.m. – 5:00 p.m.