Table 1 Patients’ demographics

Age (mean ± SD, years)

63.0 ± 11.8 (range, 36–80)

Gender (number, M:F)

14:9

Follow-up duration (mean ± SD, months)

6.3 ± 6.2 (range 0.4–22.6)

Mirel’s score

 Score 9

7

 Score 10

16

Pre-op. pain score (visual analogue scale (VAS))

8.2 ± 3.1 (range, 2–10)

Combined radiation therapy (pre- and/or post-op.)

21 (91.3%)

Combined chemotherapy (pre- and/or post-op.)

22 (95.7%)