Table 1: Patient demographics and tumour characteristics among the published cases.

Age

Mean (SD)

57 (15.2)

Median (Q1-3)

57 (49-69)

Range

27-86

Side

Left

15

Right

12

Size - mm

Mean (SD)

29.5mm (23.6)

Median (Q1-3)

20mm (13-45)

Range

5-82mm

Grade

High

15

Intermediate

3

Low

20*

NA

3

*one case was low-grade that recurred as high-grade [22] SD: standard deviation, Q: quartile, mm: millimeters, NA: not applicable.