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Plan optimization

During optimization, the inverse planning system changes the weight of the beamlets by one intensity level (one level higher or lower), one beamlet at a time. After each change, a 3D dose matrix is calculated, and DVHs are generated for the target and critical structures. If the DVHs come closer to satisfying the planning goals, the change is accepted. Otherwise, it is rejected. To avoid local minima, the simulated annealing algorithm initially accepts some changes that make the dose distribution worse.



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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.



I Wish You Knew

Common myths about pain medication and pain control

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