Backround: Nasopharyngeal carcinoma (NPC) characterized with neck lymph nodes and distant organs metastasis is the most common one of tumors in head and neck.

背景和目的：鼻咽癌是头颈部恶性肿瘤中最常见的一种，易于出现颈淋巴结和远处器官的转移。

youdao

His backround is in cognitive psychology at the University of Michigan and Northwestern University.

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