Table 1 Pathological diagnosis

chordoma

11

undifferentiated sarcoma

9

chondrosarcoma

4

dedifferentiated liposarcoma

3

desmoid type fibromatosis

2

myxofibrosarcoma

2

malignant peripheral nerve sheath tumor

2

rhabdomyosarcoma

1

malignant solitary fibrous tumor

1

sclerosing epithelioid fibrosarcoma

1

well-differentiated liposarcoma

1

total

37