Vascularity was quantified using the number of vessels/cardiomyocyte ( 21 ), which demonstrated a marginally significant decrease of microvascular density in irradiated rat hearts post-RT, as compared with nonirradiated, sham-treated animals at 10 weeks after treatment ( Figures 2E and 2F ), although the difference was not statistically significant (sham vs.
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Cardiac Magnetic Resonance for Early Detection of Radiation Therapy-Induced Cardiotoxicity in a Small Animal Model.
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