Charles, Liu M.D.Attending and Clinical Assistant ProfessorGeneral Surgery Colon & Rectal Surgery Education: Harvard Medical SchoolMain Office:206-744-9322 Fred Hutchinson Cancer Center 908 Jefferson St Seattle, WA 98104 Clinic Intersts:anal cancer, appendiceal tumors, colon cancer, gastrointestinal cancer, gastrointestinal diseases, neuroendocrine tumors, rectal cancer.