内生软骨瘤的

例句：

1. 1.The child had a benign bone tumor, which is usually seen in children.
   这个孩子有一个良性的骨肿瘤，通常在儿童中出现。
2. 2.This condition refers to the growth of cartilaginous tissue within bones.
   这种情况指的是骨骼中的软骨组织生长。
3. 3. He was diagnosed with an intramedullary hemangioma, a benign bone tumor.
   他被诊断出患有髓内血管瘤，这是一种良性的骨肿瘤。