This medical video looks at the breakthrough being made in more precise radiation treatments.
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Jennifer Matthews: Since a diagnosis of cancer, Josephine Diener cherishes every old memory and every new moment with her family. Josephine Diener: It was traumatic for them because I had never been sick in my life, you know. I had never even gone to the hospital. Jennifer Matthews: Doctors gave her six months to live, but Josephine is determined to beat those odds. To help her do that, Stanford doctor Albert Koong used this state-of-the-art radiation system -- called Trilogy -- to treat Josephine. Dr. Albert Koong: I think this is a new era of radiotherapy in that we are now seeing the tumors that we're actually treating and seeing them in real time. Jennifer Matthews: Trilogy lets doctors see a 3D view of the tumor to determine exactly where the beams should land. Dr. Albert Koong: It will result in increased dose intensity to the tumor and fewer overall side effects for the patient. Jennifer Matthews: When patients breathe, tumors can shift. The machine helps doctors track the tumor and deliver therapy to the correct spot. Trilogy also allows higher doses to be given in a shorter amount of time. In some cases, treatment can be given in just one day. Dr. Albert Koong: If we can compress this treatment, they've gotten essentially five weeks of their life back. Jennifer Matthews: Josephine's finished her treatment and can now focus on other things like writing a book about her family history. Josephine Diener: It's them that kept me going you know. Mother, you're going to be okay, going to be okay. I said, I know I'm going to be okay. Jennifer Matthews: Only time will tell if the treatment was able to shrink her tumor enough, but Josephine is hopeful and is looking forward to a new chapter in her life. This is Jennifer Matthews reporting.

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