text_1: 浸润 物以 血管 为 中心 , 对 血管 有 破坏 作用 ; 浸润 物 包围 并 浸润 血管 壁 , 并 伴有 纤维蛋白 血栓 ( 图 4B 和 4C ) .
  
text_2: the infiltrate was angiocentric and angiodestructive ; it surrounded and infiltrated the vessel walls and was associated with fibrin thrombi ( Figure 4B and 4C ) .
  