Dr. McDonald graduated from the Washington University School of Medicine in 1967. He works in Seattle, WA and specializes in Gastroenterology. Dr. McDonald is affiliated with Seattle Childrens Hospital and University Of Washington Medical Center. He speaks Chinese ,English , French and Spanish Education & Training MD: Washington University School of Medicine (St. Louis), 1967 Residency: University of Washington, Medicine, 1969 Fellowship: University of Washington, Gastroenterology, 1975 Title Professor of Medicine, Division of Gastroenterology, University of Washington Member, Gastroenterology/Hepatology Section, Clinical Research Division, Fred Hutchinson Cancer Research Center

Dr. McDonald's research over the last 40 years has been focused on gastrointestinal and hepatobiliary problems in patients with cancer, with an emphasis on complications of and outcomes following hematopoietic cell transplantation. Specific topics have included graft-vs-host disease, sinusoidal obstruction syndrome, viral hepatitis, biliary disease, and infections of the gastrointestinal tract and liver. He formerly directed the Cytokine Analysis Laboratory, a shared resource for investigators at the FHCRC, University of Washington, and Seattle Childrens' Hospital. In collaboration with investigators in the Pharmacology Section, he has examined the pharmacokinetics of chemotherapy drugs used in transplantation, research that has led to methods of limiting toxicity. In 1998, he published a paper describing patients with both leukemia and Crohn’s Disease whose leukemia was cured by bone marrow transplants for leukemia, but whose Crohn’s Disease also disappeared.