lesion of caudate nucleus

例句：

1. 1. The patient sustained a severe limb injury during the accident.
   病人在事故中严重受伤。
2. 2. The pathologist identified several abnormal lesions in the tissue samples.
   病理学家在组织样本中发现了几个异常病变。
3. 3. The researchers found that certain viruses can cause chronic lesions on the skin.
   研究人员发现某些病毒能在皮肤上引起慢性病变。