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.
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.
The use of upper and lower gastrointestinal endoscopes has revolutionized the
diagnosis and treatment of diseases of the esophagus, stomach, duodenum, and
colon (large intestine). The last remaining frontier in the intestines has been
the small intestine. Wireless capsule endoscopy allows physicians to visualize
the inside of the intestines from the esophagus through to the colon, but
capsule endoscopy has limitations, the most notable of which are the inability
to control the capsule's passage and to perform therapy, for example, biopsy and
electrocautery. Although capsule endoscopy is likely to remain an important
diagnostic procedure because of its simplicity, the limitations of capsule
endoscopy have been overcome by the development of balloon endoscopy, also known
Modern endoscopic techniques have revolutionized the diagnosis and treatment of diseases of the upper gastrointestinal tract (esophagus, stomach, and duodenum) and the colon. The last remaining frontier has been the small i"...