病变, 损伤, 损害
a region in an organ or tissue which has suffered damage through injury or disease, such as a wound, ulcer, abscess, or tumor
:
• The doctor identified a small lesion on the patient's skin.
医生在患者皮肤上发现了一个小病变。
• Brain lesions can affect cognitive function.
脑病变会影响认知功能。