![Mayo Clinic home page [logo]](/images-global/mayologo.gif)
Give. Touch. Transform.
Share this site with others using one of these sharing tools.
To link to this article, paste this block of HTML code onto your webpage.
Guidelines for sites linking to mayoclinic.orgUniversity of Montreal, Montreal, Quebec, Canada
Mayo Graduate School of Medicine, Mayo Clinic, Rochester, MN
University of Toronto, Toronto, Ontario, Canada
American Board of Internal Medicine - Internal Medicine
American Board of Internal Medicine - Gastroenterology
Assistant Professor of Medicine
Optical spectroscopy and imaging techniques, fluorescence imaging, Barrett's esophagus, gastrointestinal dysplasia, innovative endoscopy, gastrointestinal bleeding, enteral stents, large polyp removal
See a listing of publications on PubMed, a service of the National Library of medicine.
See a description of research activities.
Learn about treatment of diseases and becoming a patient. Read more about medical services.
.
