In gastric cancer, oral squamous cell carcinoma, osteosarcoma, renal cancer, hepatocellular carcinoma, breast cancer, prostate cancer and thyroid cancer, high expressions of HOXA11-AS have been found; furthermore, the upregulated expression of HOXA11-AS were associated with tumor progression and metastasis 12-14, 17-26. Here, HOXA11 is linked to osteosarcoma.