split bump

例句：

1. 1. The doctor diagnosed her with a split bump on her arm.
   医生诊断她的手臂上有一个分裂的肿块。
2. 2.After the surgery, she had to wait for the split bump to heal.
   手术后，她不得不等待分裂的肿块愈合。
3. 3. The patient was worried about the split bump growing larger and causing pain.
   病人担心分裂的肿块越来越大并引起疼痛。