nevus of Ota

例句：

1. 1. The patient had a nevus of Ota on his left cheek.
   患者左脸颊上有一颗Ota痣。
2. 2. The nevus of Ota was removed surgically.
   这颗Ota痣被外科手术切除了。
3. 3. The nevus of Ota is a common birthmark.
   Ota痣是一种常见的出生印记。