Women's Health Weekly
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Breast Cancer
Variation during tangential breast photon beam irradiation characterized
June 30th, 2005
Variation during tangential breast photon beam irradiation has been characterized. Oncologists in the United States conducted a study "to evaluate the daily setup variation and the anatomic movement of the heart and lungs during breast irradiation with tangential photon beams, as measured with an electronic portal imaging device." "Analysis of 1,709 portal images determined changes in the radiation field during a treatment course in eight patients," explained R.P. Smith and coauthors at the University of Pennsylvania Hospital. "Values obtained for every image included central lung distance (CLD) and area of lung and heart within the irradiated...
Source: Women's Health Weekly (2005-06-30)
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