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Plan optimization

Conceptually, plan optimization proceeds as follows. For each treatment field, a beam’s-eye-view of the target is used to divide the beam into beamlets. For an 80-leaf MLC with leaves that project to 1 cm at isocenter, the beamlets are 1 cm x 1 cm. In the figure, 1 field is divided into 37 beamlets. Note that beamlets that do not intersect the target are discarded.




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Appears to increase risk after liver transplant in younger patients, those with C2 monitoring

Jul 1, 2010 - Immunosuppressive treatment with cyclosporine A, rather than tacrolimus, with dose level monitoring two hours post-dosing or in patients age 50 or younger appears to have a significant association with the development of de novo cancer after liver transplantation, according to research published in the July issue of Liver Transplantation.



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