TOMOYOSHI TAKENAKA

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A 77-year-old male presented with chest pain in March 2012. The individual had undergone surgery for an anterior mediastinal tumor 24 years earlier and the pathological diagnosis was that of a thymoma. The patient underwent a medical checkup every 6 months for the next 20 years. However, ~3 years following the final checkup , sudden chest pain was reported(More)
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