Table 1: Patient characteristics for the entire study population and surgical/oncological outcome.

DescriptionNumber

Patients
 Male 13, female 5Total 18
 Age (at diagnosis)41 years (8–69)
Tumor size11.7 cm (7–20)
Diagnosis
 Osteosarcoma8
 Chondrosarcoma5
 MFH of bone2
 Ewing sarcoma2
 Fibrosarcoma of bone1
Neoadjuvant therapy
 Polychemotherapy11
 Radiotherapy0
Adjuvant therapy
 Polychemotherapy9
 Radiotherapy1
Follow-up62 months (8–155)
Resected area (Enneking classification)
 PII2
 PI-II4
 PII-III8
 PI-II-III4
Surgical outcome
 Wide margin17
 Marginal margin0
 Intralesional margin1
Oncological outcome
 No evidence of disease (NED)11
 Alive with disease (AWD)2
 Dead of disease (DOD)5
Prognosis
 Overall survival (five years)67.2%