Seattle Dr. James Olson's work to help neurosurgeons more precisely see brain tumors is the subject of a short documentary that is a contender for a prize at the 2013 Sundance Film Festival.

Olson, a scientist based at the Fred Hutchinson Cancer Research Center, worked with experts at the University of Washington and Seattle Children's Hospital to develop Tumor Paint -- a molecule that lights up brain tumors so neurosurgeons can better distinguish cancer from normal tissue.

The documentary film is Bringing Light, and it's one of 20 finalists for the Sundance Film Festival's Focus Film Forward competition. Its backers are urging fans to go to the festival's website and vote to make the documentary an audience favorite, which would result in a screening during the annual gathering next month in Park City, Utah.

Watch and vote for Bringing Light.

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