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Evaluation on performances of multiple coaxial-slot antenna for microwave heating compatible with metallic stent for bile duct carcinoma

In this paper, we describe the microwave intracavitary hyperthermia for bile duct carcinoma after the biliary stent placement. We designed a new type of coaxial-slot antenna which has multiple slots near the tip for effective heating along the stent. Therefore, we evaluate the pattern around the stent which is heated by electromagnetic wave leaking from stent efficiently.