William Lancaster, M.D. is a fellowship-trained gastrointestinal surgeon in Charleston, South Carolina who specializes in diseases of the bile duct, pancreas and liver. He treats patients with gastric, gallbladder, bile duct, liver and stomach cancer, as well as patients suffering from malignant and non-malignant diseases of the pancreas. He performs laparoscopic and robotic surgery of the liver, pancreas, gallbladder and bile ducts. His treatment philosophy is to provide patient-centered care, creating the best and most productive environment to improve his patients' quality of life.

Dr. Lancaster attended medical school at the University of Alabama School of Medicine, where he graduated magna cum laude and completed his surgical residency at the Medical University of South Carolina, where he served as administrative chief resident. While in the General Surgery Residency Education program at MUSC, Dr. Lancaster received numerous awards, including the David J. Cole Professionalism Award, the MUSC Department of Surgery Resident Research Award, and the Arnold P. Gold Humanism Award.

He then completed a fellowship in hepatopancreatobiliary (HPB) surgery at the University of Indiana. The one-year transition-to-practice program provides the most robust HPB operative experience available in North America and emphasizes preoperative, operative and postoperative care. Upon completion of his HPB fellowship, Dr. Lancaster joined MUSC as an assistant professor of surgery in the Division of Gastrointestinal & Laparoscopic Surgery.