About Us

Complex General Surgical Oncology Board

The Complex General Surgical Oncology Board is one of five specialty boards of the American Board of Surgery (ABS). Each specialty board consists of directors nominated by colleagues, organizations representative of the specialty, or self-nomination, as well as ABS Council members previously elected from within the specialty.

Intro

The Complex General Surgical Oncology Board is one of five specialty boards of the ABS

The Complex General Surgical Oncology Board (CGSOB) is responsible for defining the specific training requirements within the specialty and is primarily responsible for defining appropriate content and overseeing the development and administration of the Complex General Surgical Oncology Qualifying Examination, the Complex General Surgical Oncology Certifying Examination, and the Complex General Surgical Oncology Continuous Certification Assessment.

2025-2026 CGSOB Directors

Meet the Complex General Surgical Oncology Board

The CGSOB currently has 13 directors, including a chair and vice chair. Each director serves a term of six years.

Timeline

History of the Complex General Surgical Oncology Board
2011
The ABS received approval from the American Board of Medical Specialties to offer a certificate in complex general surgical oncology as a specialty beginning in 2011.
2014
In the fall of 2014, the ABS offered the first CGSO Qualifying Examination.
2015
The first CGSO Certifying Examination was offered in February 2015, and successful candidates obtained a 10-year time-limited certificate.
2019
The 10-year time-limited certificate transitioned to Continuous Certification in 2019.
2025
Entrustable Professional Activities (EPAs) for complex general surgical oncology launched on August 1, 2025.

Director Spotlight

The CGSOB welcomes Dr. Michael Egger

Dr. Egger is the associate program director of the complex general surgical oncology fellowship and associate professor at the Hiram C. Polk Jr., M.D., Department of Surgery at the University of Louisville in Kentucky, where he is also leader of the Cancer Care and Control Program at the Brown Cancer Center.

Dr. Egger received his medical degree at Emory University School of Medicine in Atlanta and completed a residency in general surgery at the University of Louisville Hospital, followed by a fellowship in surgical oncology at the University of Texas MD Anderson Cancer Center in Houston. Currently, Dr. Egger is a doctoral degree candidate in the department of health management and systems sciences at the School of Public Health and Information Sciences at the University of Louisville.

His clinical practice includes melanoma; adrenal tumors; gastrointestinal cancers; liver, pancreas, and bile duct cancers; and sarcoma. His research interests involve clinical, translational, and healthcare delivery research focused on reducing and eliminating the impact of cancer on the health and well-being of patients, communities, and the healthcare system. His clinical research focuses on areas such as melanoma, specifically on surgical considerations for adoptive cell therapy treatments and clinical decision making for melanoma surgery, and clinical research to improve patient care in hepatobiliary, pancreatic, and other gastrointestinal cancers. He is currently participating in collaborative translational research to predict response to immunotherapy and to detect recurrence in melanoma, and on healthcare delivery research to improve cancer outcomes in rural communities, including access to screening and complex cancer care.

Dr. Egger is the current president of the Kentucky Chapter of the American College of Surgeons and a past president of the Hiram C. Polk, Jr., M.D. Surgical Society.