STC2 and osteosarcoma: Moreover, the Oncomine analysis result which database was constructed based on human tissue samples revealed that although STC2 expression various in multiple sarcomas, the expression was not only almost all up regulated in sarcomas including chondrosarcoma, liposarcoma, leiomyosarcoma, poorly differentiated sarcomas, osteosarcoma and so on comparing to normal tissues, but also the expression was the highest in osteosarcoma comparing to the other sarcomas.