نتایج جستجو برای: small fields
تعداد نتایج: 1010559 فیلتر نتایج به سال:
Background and Aim: Cutaneous squamous cell carcinoma (CSCC) is the second most common skin cancer. Mast cells may play a role in tumor progression and metastasis by increasing angiogenesis. The aim of this study was to investigate the role of mast cells by increasing angiogenesis in invasion of head and neck cutaneous squamous cell carcinoma. Materials and Methods: In this cross-sectional stud...
Background: Due to the small size of the beamlets in IMRT (intensity modulated radiotherapy), physical penumbra is one of the important dosimetric parameters and small changes in the penumbra have a notable impact on the results. The physical penumbra width is defined as the lateral distance between two specified isodose curves at a specified depth of phantom. In this study, after demonstrating...
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