Risk factors for morbidity and mortality in Sacrectomy. 22 cases in a Sarcoma Center. Issue 2 (February 2019) - Garcia-Ortega, D.Y.; Alvarez-Cano, A.; Clara-Altamirano, M.; Martinez-Said, H.; Caro-Sanchez, C.H.S.; Cuellar-Hubbe, M.