Table 2 Frequency of positively stained cases of CMS investigated for the expression of Ki67, ERα, PR and p53 according to histological type and grade

Osteosarcoma

8

8(100)

1(12.5)

1(12.5)

4(50)

Fibrosarcoma

6

6(100)

0(0)

2(33.3)

3(50)

Liposarcoma

2

2(100)

0(0)

1(50)

1(50)

Other sarcomas

2

2 (100)

0(0)

1(50)

1(50)

Grade of CMS

N

High-grade

16

16(100)

1(6.3)

4(25)

9(56.3)

Low-grade

2

2(100)

0(0)

1(50)

1(50)

Total

18

18(100)

1 (5.6)

5(27.8)

9(50)