keloidal blastomycosis

例句：

1. 1.The keloid on his forehead has been bothering him for years.
   他额头上的瘢痕多年来一直困扰着他。
2. 2. The doctor advised him to remove the keloid surgically.
   医生建议他通过手术去除瘢痕。
3. 3.Keloids are a common occurrence in people who have had previous surgery.
   瘢痕是那些有过手术史的人常见的情况。