"Polly Preston"@en . "M.D."@en . . . . "Alive"@en . "Polly Preston"@en . . . . . . . "Polly Preston is the chief resident at Brigham and Women's Hospital. She came to Seattle Grace Mercy West Hospital as a prospective pediatric surgery fellow."@en . "*Chief Resident\n*Surgical Resident"@en . . . . . . . "GA: 8"@en . "Polly Preston is the chief resident at Brigham and Women's Hospital. She came to Seattle Grace Mercy West Hospital as a prospective pediatric surgery fellow."@en .