【摘 要】
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To the Editor: Extragonadal, nongestational choriocarcinomas are very rare neoplasms that mostly arise spontaneously in midline structures, such as the retroper
【机 构】
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Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanjing Medic
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To the Editor: Extragonadal, nongestational choriocarcinomas are very rare neoplasms that mostly arise spontaneously in midline structures, such as the retroperitoneum, mediastinum, and vicinity of the pineal body, but they also have been reported in other visceral organs, such as the stomach, esophagus, small bowel, prostate, and urinary bladder.
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