Table 1: Patient and disease characteristics at initial diagnosis ( ).

Number of patients%

Patient characteristics
 Sex
  Male2964.4
  Female1635.6
Characteristics of initial disease
 Localised disease3373.3
 Lung metastasis920.0
 Bone metastasis24.4
 Lung + bone metastasis12.2
Initial histological response
 Good response1737.8
 Poor response2862.2
Initial treatment
 Surgery + chemotherapy4497.8
 Surgery + chemotherapy + radiotherapy12.2