Histologically, the tumors were characterized by widespread myxoid, cyst formation, vessel wall hyalinization, and absence of mitoses.
组织学检查，病变具有广泛的粘液样变、囊腔形成、血管壁透
变性和缺乏核
等
点。
Histologically, the tumors were characterized by widespread myxoid, cyst formation, vessel wall hyalinization, and absence of mitoses.
组织学检查，病变具有广泛的粘液样变、囊腔形成、血管壁透变性和缺乏核等点。
：
上例句、词性
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