Table 1.

Patient characteristics

Characteristics	n (%)
Total number	25
Median age at diagnosis	48
Years; range	36–77
Median days between samples	19
Days; range	6–42
Tumour type
IDC	18 (72)
ILC	6 (24)
Other	1 (3)
Tumour grade
1	6 (24)
2	13 (52)
3	5 (20)
Unknown	1 (4)
Tumour size
≤ 10 mm	2 (8)
11–20 mm	8 (32)
21–50 mm	8 (32)
> 50 mm	6 (24)
Unknown	1 (4)
Lymph node status
Positive	13 (52)
Negative	11 (44)
Unknown	1 (4)
Lymphovascular invasion
Present	18 (72)
Absent	7 (28)