Table 1: General and preoperative characteristics.

CharacteristicNumber of patients %

Gender
 Male1244.4
 Female1555.6
Sides
 Right1659.3
 Left1140.7
Presentation status
 Primary tumor2177.8
 Local recurrence622.2
Sciatic nerve involvement
 Type A829.6
 Type B1970.4
Neoadjuvant therapy
 External beam radiation therapy1037.0
 Chemotherapy622.2
 Isolated limb perfusion518.5