hemifacial microsomia

例句：

1. 1. The patient had a hemifacial birthmark on his left cheek.
   病人左脸颊上有一块半面颊的胎记。
2. 2.The child has a hemifacial microsomia, which affects the development of his face.
   这个孩子患有半面颊微发育不良症，这影响了他脸部的发展。
3. 3. The hemifacial microsomia was treated with surgery and medication.
   通过手术和药物治疗了半面颊微发育不良症。