Multiple myeloma is characterized by osteoblastic lesions.

The AJCC classifies primary bone sarcomas based on whether the tumor is greater or less than ___ cm. 

Which of the following is a prognostic indicator for chondrosarcoma? Select all that apply. 

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Define sunburst periosteal reaction.

Which chemotherapy drugs are most often used in the treatment of osteosarcomas? Select all that apply.

Lymphatic spread is only a concern in primary bone cancers when it arises in the ____.

Which of the following is the most common malignant bone lesion in children?

Which of the following are common presenting symptoms of Ewing sarcoma? Select all that apply.

For most giant cell tumors, ___ is the most effective treatment.