Osteosarcoma is very rare bone tumor. The investigator set up the biobank to ensure the patients has the chance to participate in future research
Samples of blood and other stored material such as slides,frozen tissues and so on . Questionnaire information, including health history, growth and development, physical activity and family medical history information.
Study Type
OBSERVATIONAL
Enrollment
180
Examine VEGFR-2 and PD-L1 gene expression osteosarcoma
To examine the VEGFR2 and programmed cell death ligand 1 (PD-L1) genes expression of the patients with osteosarcoma.And Analyze their differences.
Time frame: 3 years
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