Study group (n = 14)

Control group (n = 56)

P value

Number of lesions

1

86% (12)

95% (53)

0.58

2

14.3% (2)

5% (3)

Tumor maximum diameter

1.8 ± 0.28

1.84 ± 0.26

0.61

Location

IV

7% (1)

12% (6)

0.06

V

50% (7)

50% (28)

VI

21% (3)

18% (10)

VII

14% (2)

0% (0)

VIII

7% (1)

21% (12)

History of previous treatment

0% (0)

0%

1