This 8-year-old is free of cancer — for now — after a ‘breakthrough’ treatment

8-year-old Ava Christiansen has been battling cancer for half her life. Now a new specialized cancer treatment may be able to keep her in remission.

Read more here: https://www.washingtonpost.com/national/health-science/tantalizing-counterattack-offers-breakthrough-hope-for-children-with-leukemia/2016/09/30/cf19b15a-663a-11e6-be4e-23fc4d4d12b4_story.html