@CNN: Doctors found a 3½-inch pocket of air hidden in a man’s brain. The patient had complained of repeatedly losing his balance. https://t.co/sbJ7S8rVvi https://t.co/ZAoiGADFa2

@CNN: Doctors found a 3½-inch pocket of air hidden in a man’s brain. The patient had complained of repeatedly losing his balance. https://t.co/sbJ7S8rVvi https://t.co/ZAoiGADFa2