Hazer S, Fındık G, Aydoğdu K, Ağaçkıran Y, Erkmen Şakir Gülhan S, Şevki Demiröz M, Bıçakçıoğlu P, Kaya S. Is primary thoracic Ewing sarcoma aggressive than others? Seventeenyears’ experience. Curr Thorac Surg. 2021;  6(2):  044-050. http://dx.doi.org/10.26663/cts.2021.0009