Dr. Lee was born in Shanghai, China, and received his college and medical training in the United States. He is fluent in English and three Chinese dialects. He graduated with chemistry departmental honors from Harvey Mudd College. He was appointed president of AOA society at UCLA School of Medicine. He underwent internal medicine residency and gastroenterology fellowship training at Cedars Sinai Medical Center.
Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.
Carcinoid tumors are rare tumors that develop from hormone-producing cells called enterochromaffin cells that occur throughout the body with approximately 65% originating in the gastrointestinal tract and 25% in the lungs.
Carcinoid tumors can occur almost anywhere in the gastrointestinal tract but primarily in the stomach, small intestine, appendix, colon, and rectum.
Carcinoid tumors can be benign or malignant.
The carcinoid syndrome is a syndrome that is caused by the release of hormones from carcinoid tumors, but only 10% of carcinoid tumors cause the carcinoid syndrome.