A little girl with brain cancer is able to celebrate another Christmas, thanks to a miracle surgery. When 4-year-old Lena Tietjen was diagnosed with an inoperable brain tumor in November, doctors gave her only weeks to live. After a trip to Disney World, her health worsened. Her parents took her to the hospital where they say doctors told them Lena's tumor had doubled in size. But hope is on the horizon. InsideEdition.com's Keleigh Nealon (http://twitter.com/KeleighNealon) has more.