School of Medicine
Showing 211-217 of 217 Results
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Kirbi Yelorda, MD, MS
Clinical Assistant Professor, Surgery - General Surgery
BioDr. Kirbi Yelorda is a fellowship-trained colon and rectal surgeon and clinical assistant professor in the Department of Surgery, Division of General Surgery – Colon and Rectal Surgery at Stanford University School of Medicine. She completed her colon and rectal surgery fellowship at Mount Sinai Health System and her general surgery residency at Stanford Health Care, where she also earned a Master of Science degree in health research and policy.
Dr. Yelorda specializes in the surgical management of colorectal cancer, inflammatory bowel disease (IBD), and benign anorectal conditions such as hemorrhoids, fistulas, and fissures. She has advanced training in minimally invasive and robotic surgical techniques that support enhanced recovery and optimal patient outcomes.
Dr. Yelorda’s research focuses on the impact of social determinants of health on colorectal cancer outcomes and disparities in surgical care. She is particularly interested in surgical education and quality improvement.
Dr. Yelorda has authored articles published in peer-reviewed journals such as JAMA Surgery, Journal of Surgical Education, and Diseases of the Colon & Rectum. She has presented her work at national conferences including those of the American Society of Colon and Rectal Surgeons and the Pacific Coast Surgical Association. She is a recipient of Stanford University's Samuel L. Kountz, MD Humanitarian Award.
Dr. Yelorda is an active member of the American College of Surgeons, the Alpha Omega Alpha Honor Medical Society, and the Gold Humanism Honor Society. -
Yulia Zak, MD, FACS
Clinical Assistant Professor, Surgery - General Surgery
BioDr. Yulia Zak is a board-certified, fellowship-trained minimally invasive and bariatric (weight loss) surgeon. She is also a clinical assistant professor of surgery at Stanford University School of Medicine. Dr. Zak is the program director and unit-based medical director for the Minimally Invasive, Bariatric, and Foregut Fellowship Program.
Dr. Zak specializes in bariatric surgery, foregut (upper digestive tract) surgery, and abdominal wall procedures. Her research is focused on quality improvement measures, surgical education, and bariatric surgery outcomes. She has published her work in numerous peer-reviewed journals, including Obesity Surgery and the Journal of the American College of Surgeons.
Dr. Zak is a fellow of the American College of Surgeons. -
Christopher K. Zarins
Walter Clifford Chidester and Elsa Rooney Chidester Professor of Surgery, Emeritus
Current Research and Scholarly InterestsDiagnosis of coronary artery disease using coronary CT angiography with AI-enabled quantitation of coronary plaque burden and lesion-specific coronary ischemia is used to guide management of CAD. Applying this strategy to PAD patients with no cardiac symptoms reveals a high prevalence of silent coronary ischemia. Ischemia-targeted coronary revascularization may to reduce death and MI and improve long-term survival. Randomized trials in carotid and peripheral vascular patients are underway .
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Anna Ting Zhou
Clinical Assistant Professor, Surgery - Plastic & Reconstructive Surgery
BioDr. Anna Ting Zhou is a board-certified, fellowship-trained plastic surgeon with Stanford Health Care. She is also a clinical assistant professor in the Department of Surgery, Division of Plastic & Reconstructive Surgery at Stanford University School of Medicine.
Dr. Zhou performs a wide range of plastic and reconstructive surgeries to restore both function and appearance for patients affected by cancer and trauma. She specializes in breast reconstruction following breast-conserving surgery (lumpectomy) and mastectomy, offering the full spectrum of reconstruction options. Dr. Zhou also specializes in advanced surgical techniques to prevent and treat lymphedema. She performs procedures such as immediate lymphatic reconstruction, lymphovenous bypass, and vascularized lymph node transfer, helping restore lymphatic drainage and improve patients' quality of life.
A patient-centered approach guides Dr. Zhou’s practice. She believes that successful reconstruction begins with listening carefully to each patient's concerns, understanding their goals, and working together to develop a personalized surgical plan. She is dedicated to delivering compassionate, evidence-based care and partnering with each patient throughout their reconstructive journey.
Dr. Zhou's research focuses on advancing reconstructive microsurgery and improving outcomes in breast reconstruction and lymphedema surgery. Her work has explored techniques to preserve breast sensation following mastectomy and novel methods of hybrid breast reconstruction. She has also investigated the use of a medical implant to augment lymphedema surgery and how to optimize lymphedema treatment algorithms. She has authored numerous peer-reviewed publications in leading journals, including Plastic and Reconstructive Surgery, Journal of Surgical Oncology, and Journal of Clinical Medicine, and has presented her research at national and international scientific meetings.
Dr. Zhou is an active member of the American Society of Plastic Surgeons, the California Society of Plastic Surgeons, and the American Society for Reconstructive Microsurgery.
