Table 1 Cohort characteristics.
From: Histopathologic features of breast cancer in Li–Fraumeni syndrome
DCIS (n = 9)a,b | Invasive carcinoma (n = 18)b | |
---|---|---|
Median age at diagnosis (range) | 34 (22–39) | 31.5 (21–58) |
Stage at diagnosis (TNM) | ||
Tis | 7 | – |
Tmi | 2 | – |
T1 | – | 9 |
T2 | – | 6 |
Tn/a | – | 3 |
N0 | 6 | 7 |
N1 | – | 5 |
N2 | – | 0 |
N3 | – | 1 |
Nn/a | 3 | 5 |