School of Medicine
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Professor of Surgery (General Surgery) at the Stanford University Medical Center
Current Research and Scholarly Interests Clinical trials in operative procedures such as Nipple-sparing mastectomy, arm lymphatic mapping, skin perfusion and Treatments for Breast Cancer, especially local recurrence. Dr. Wapnir is institutional Principal Investigator and Chair for National Surgical Adjuvant Breast and Bowel Project (NSABP) clinical trials. Laboratory and translational research includes exploring the activity of breast iodide transporter in breast cancer brain metastasis.
Thomas G Weiser, MD
Associate Professor of Surgery (General Surgery) at the Stanford University Medical Center
Bio I am a general and trauma surgeon, and surgical intensivist. I treat and care for injured patients and those with acute surgical emergencies, and manage critically ill surgical patients in the Intensive Care Unit.
My research is focused on evaluating the role of surgical care in the delivery of health services in resource poor settings, particularly low and middle income countries. I am interested in barriers to access and provision of surgical care, the quality of surgical services, and outcomes research. My current projects focus on quality and cost effectiveness of care, and strategies for improving the safety and reliability of surgical delivery in resource poor settings. I have been involved in surgical program assessment projects in Cambodia, India, the UK, and the United States. From 2006-2009 I was part of the World Health Organization’s Safe Surgery Saves Lives program where we quantified the global volume of surgery and created, implemented, evaluated, and promoted the WHO Surgical Safety Checklist.
I am a trustee of Lifebox, a charity devoted to saving lives through safer surgery. We are currently engaged in a program to improve compliance with surgical safety standards in low resource settings, particularly as they pertain to infection prevention and control.
Amanda J. Wheeler
Clinical Associate Professor, Surgery - General Surgery
Current Research and Scholarly Interests Dr. Wheeler actively participates in both clinical and basic science research in order to create opportunities for her patients to optimize their care and treatment of breast cancer. By focusing on patient centric research, she is able to offer cutting edge therapies for her breast cancer patients. She currently collaborates with several basic science labs, including Dr. Jeffrey who studies circulating tumor cells and the tumor microenvironment. Dr. Wheeler has also collaborated with Dr. Quake’s lab looking at an early detection blood test for the diagnosis of breast cancer.
As a clinical educator, Dr. Wheeler is able to choose applicable studies for her patients that have the potential to impact future patients who are diagnosed with breast cancer. Past and current projects include a patient decision making study looking at motivating factors for patients who choose mastectomy vs breast conserving surgery. She also was a co-author on a study showing a novel intra operative warming device that led to a decrease in post-operative complications. She has collaborated with a psychologist to study a surgical success program with the goal of decreasing post-operative pain and disability.
Dr. Wheeler has also collaborated with her breast imaging colleagues to develop an augmented reality platform for tumor localization with the hopes of decreasing re-excision rates and performing an improved cosmetic outcome for breast cancer patients. She also participated in a study that tattooed sentinel lymph nodes in the pre chemotherapy setting in order to limit surgery in the axilla thereby decreasing lymphedema and pain associated with standard axillary lymph node dissections.
In addition to her clinical research, she is involved nationally in breast fellowship accreditation through the American Society of Breast Surgeons(ASBS). She serves on the Education board for ASBS and is invited to give talks nationally and internationally on her clinical interests and research. She has written several chapters and is a frequent peer review editor.
At Stanford Hospital and Clinics she is the surgical medical director of Clinical Advice Services (CAS). CAS is responsible for after hour patient related triage. She is the current co-chairwoman of professional development at a fraternal organization on the Stanford Campus. Mentorship of women at the college, and fellowship level continues to be a passion for her. She also enjoys yoga, painting, playing tennis and golf.
Patrick J. Worth, MD
Clinical Instructor, Surgery - General Surgery
Bio Dr. Worth grew up in rural eastern Connecticut. He moved to New York to study Medical Anthropology at NYU and attended medical school at Brown University in Providence, RI. There, he was active in surgical research. He completed a subinternship in his fourth year at Oregon Health & Science University in Portland and fell in love with the Pacific Northwest. He completed a research fellowship in his fourth year of residency with Rosie Sears and Brett Sheppard studying neuroendocrine heterogeneity in pancreatic adenocarcinoma, at the Brenden-Colson Center for Pancreatic Care.
He is currently engaged in a fellowship in Hepatobiliary and Pancreatic Surgery at Stanford under the mentorship of Brendan Visser, Jeffrey Norton, George Poultsides, and Monica Dua. In his spare time, he enjoys biking, gardening, and cooking.
Dr. Worth is Board Certified in General Surgery.
Sherry M. Wren MD, FACS, FCS(ECSA)
Professor of Surgery (General Surgery) at the Palo Alto Veterans Affairs Health Care System
Current Research and Scholarly Interests Our research interests are primarily in global surgery,robotics,surgical oncology, especially gastrointestinal cancers.