Colon ​& Rectal Cancer ​Surgeons

Kristina Booth, MD

Kristina Booth, MD, is an Assistant Professor in the Department of Surgery at the University of Oklahoma. Dr. Booth attended medical school and completed a general surgery residency at the University of Oklahoma Health Sciences Center. She then completed a Colon and Rectal Surgery Residency at Texas Health Presbyterian Hospital in Dallas. She is board-certified by the American Board of Surgery.

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Dr. Booth specializes in colon and rectal surgery. She is a member of the American Society of Colon and Rectal Surgeons and the American College of Surgeons and also serves as a Graduate Surgical Education Advisory Committee Representative on the OU Health Sciences Center campus.

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​Steven N. Carter, MD, FACS, FASCRS

Steven N. Carter, MD, FACS, FASCRS, is a Clinical Assistant Professor in the Department of Surgery at the University of Oklahoma. He is board-certified in Colon and Rectal Surgery, as well as General Surgery. Having performed more robotic colon and rectal cases than anyone else in the Oklahoma City metro area, he is dedicated to pushing the envelope in surgical technique.

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Dr. Carter moved to Lawton when he was 3 and graduated from Lawton – Eisenhower. He then attended the University of Oklahoma graduating Summa Cum Laude. He then pursued a medical degree followed by a general surgery residency at the OU Health Sciences Center. He was named Outstanding Surgical Resident while there and presented numerous times to scientific meetings.

Dr. Carter was one of the first to leave OU and pursue advanced training in colon and rectal surgery. He saw how many people in this area were undergoing surgeries by general surgeons who only perform a few of these cases a year. This was radically different than the patient experiences in other metropolitan areas. He competed the Colon and Rectal Residency at Baylor University Medical Center in Dallas. Following this he went in to practice in Oklahoma. He quickly adopted robotic surgery to assist with the difficult anatomy of the pelvis in rectal cancer surgeries.

Dr. Carter is a Fellow of the American College of Surgeons, a Fellow of the American Society of Colon and Rectal Surgeons, and a member of the American Medical Association. He is an Instructor for Advanced Trauma Courses​ and volunteers his time to prepare general surgery residents for oral boards. He has presented at numerous national and regional meetings. He also participates with support groups for ostomy patients and colitis patients. His areas of interest include rectal cancer, anorectal disease (hemorrhoids, pilonidal disease, etc.) and inflammatory bowel disease. He is one of the few physicians in OKC trained in ileoanal anastomosis (i.e. J-pouch).

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Gary Dunn, MD 

Gary Dunn, MD, is an Associate Professor in the Department of Surgery at the University of Oklahoma. A native of Oklahoma City, Dr. Dunn graduated from Oklahoma State University and from medical school at New York Medical College. He is Board-Certified in Surgery and Colon-Rectal Surgery by the American Board of Surgery and the American Board of Colon and Rectal Surgery, respectively. Dr. Dunn is the Chief of Colon and Rectal Surgery at OU. He was the first colon and rectal surgeon on faculty and established the specialty at OU. Dr. Dunn is nationally known for having authored multiple scientific papers and book chapters, as well as serving on multiple national committees.

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Dr. Dunn pioneered new treatments for rectal cancer in Oklahoma, performing the first Transanal Endoscopic Microsurgery (TEM), the first Transanal Total Mesorectal Excision (TaTME) and the first Transanal Flex Robotic surgery in the state, which are all newer modalities designed to allow patient to avoid colostomy while still getting good cancer surgery. In addition cutting-edge care of colon and rectal cancer, he offers the full gamut of colorectal surgery care, including inflammatory bowel disease, diverticulitis and anorectal problems.

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