Justice Ruth Bader Ginsburg Undergoes Surgery For Lung Cancer

U.S. Supreme Court Justice Ruth Bader Ginsburg arrives at a lecture in September at Georgetown University Law Center in Washington, DC.

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Updated at 10:28 p.m. ET

Justice Ruth Bader Ginsburg underwent surgery Friday for early stage lung cancer, a Supreme Court spokesperson tells NPR. Doctors at Memorial Sloan Kettering hospital in New York performed a lobectomy, removing one of the five lobes of the lung.

On Friday afternoon, shortly after her surgery, she cast a decisive vote, refusing to allow the Trump administration to implement its new rules prohibiting people from seeking asylum if they cross the border illegally. The 5-to-4 decision was a setback for the administration, preventing the president from carrying out the policy immediately.