| Summary: | This study addresses the research gap by evaluating the influence of tissue heterogeneity and geometric factors on dose distribution, while exploring alternative methods for more accurate dose verification. The purpose of this study was to evaluate dosimetric accuracy in endometrial HDR brachytherapy through experimental and simulation approaches. Specifically, the study aimed to: (1) assess suitable materials for phantom development representing organs at risk (OARs), (2) investigate dose distribution using the constructed phantom, (3)validate Monte Carlo (MC) modelling against experimental measurements, and (4)estimate tissue inhomogeneity correction factors to complement the TG-43 formalism.
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