Ott_a_204574 5111..5122

1Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, People’s Republic of China; 2Department of Dermatology, The First Affiliated Hospital of Chongqing Medical University, Chongqing 400010, People’s Republic of China; 3The Affiliated Hospital, Guizhou Medical University, Guiyang 550004, People’s Republic of China; 4Key Laboratory of Clinical Diagnosis of Education Ministry, College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, People’s Republic of China Background:Osteosarcoma is a common malignant tumor, with relatively lower survival rates