Dr. Aucejo's specialty interests include liver surgical oncology, complex liver surgery and laparoscopic liver surgery for patients presenting with liver cancer or liver tumors.

Dr. Aucejo has been an investigator in research trials in his specialty areas. He has had numerous articles and abstracts published in leading medical journals. Additionally, he has given presentations at national and international conferences. Dr. Aucejo is a member of the American Hepato-Pancreato-Biliary (HPB) Association, International Hepato-Pancreato-Biliary (HPB) Association, Society of Surgical Oncology (SSO), Society for Surgery of the Alimentary Tract (SSAT), American Society of Transplant Surgeons, The Transplant Society, The International Liver Transplant Society and the American Association for the Study of Liver Diseases.