A grandmother finishing her final chemotherapy treatment gets a surprise she never sees coming. As 68-year-old Barb Ewers prepares to ring the celebration bell

A grandmother finishing her final chemotherapy treatment gets a surprise she never sees coming. As 68-year-old Barb Ewers prepares to ring the celebration bell, her granddaughter, Airman Faith Dyer, walks in after driving seven hours through the night from Joint Base Andrews to be by her grandmothe…