This is an osteosarcoma (a variant known as parosteal osteogenic sarcoma) of bone.
This is an osteosarcoma (a variant known as parosteal osteogenic sarcoma) of bone.
这是一个骨肉瘤的病例（为骨旁骨肉瘤亚型）。
This is an osteosarcoma (a variant known as parosteal osteogenic sarcoma) of bone.
这是一个骨肉瘤的病例（为骨旁骨肉瘤亚型）。