Characteristics | ≤ 4 unit change n (%) | > 4 unit change n (%) |
---|---|---|
Total number | 9 | 7 |
Median age at diagnosis | 47 | 45 |
 Years; range | 41–49 | 37–47 |
Median days between samples | 23 | 14 |
 Days; range | 10–42 | 9–29 |
Tumour type | ||
 IDC | 8 (89) | 5 (72) |
 ILC | 1 (11) | 1 (14) |
 Other | 0 (0) | 1 (14) |
Tumour grade | ||
 1 | 3 (33) | 2 (29) |
 2 | 3 (33) | 2 (29) |
 3 | 3 (33) | 2 (29) |
 Unknown | 0 (0) | 1 (14) |
Tumour size | ||
 ≤ 10 mm | 2 (22) | 0 (0) |
 11–20 mm | 4 (44) | 2 (29) |
 21–50 mm | 2 (22) | 2 (29) |
 > 50 mm | 1 (11) | 2 (29) |
 Unknown | 0 (0) | 1 (14) |
Lymph node status | ||
 Positive | 2 (22) | 3 (43) |
 Negative | 7 (78) | 3 (43) |
 Unknown | 0 (0) | 1 (14) |
Lymphovascular invasion | ||
 Present | 2 (22) | 1 (14) |
 Absent | 7 (78) | 6 (86) |