STROBE	Strengthening the Reporting of Observational Studies in Epidemiology
DSR	Danish Sarcoma Registry
DNPR	Danish National Pathology Registry
OS	Overall Survival
RFS	Recurrence-Free Survival
IQR	Interquartile Range
SD	Standard Deviation
SNOMED	Systematized Nomenclature of Medicine
IBM	International Business Machines
SPSS	Statistical Package for the Social Sciences
VEGF	Vascular Endothelial Growth Factor
QoL	Quality of Life