Table 1.
Clinical characteristics of the cohort.
| Total evaluable n | 126 |
| Age (median) | 54 |
| Stage I/IIa | 97 (82) |
| Stage III/IVa, n (% of known) | 21 (18) |
| Stage unknown | 8 |
| Expansile pattern of invasiona | 80 (84) |
| Infiltrative pattern of invasiona | 15 (16) |
| Pattern of invasion unknown | 31 |
| Grade 1a | 53 (47) |
| Grade 2a | 54 (48) |
| Grade 3a | 5 (4) |
| Grade unknown | 14 |
| Tumor area % (mean, standard deviation)b | 43,16 |
| Tumor area % (range) | 7–76 |
| Stromal area % (mean, standard deviation)b | 22,15 |
| Stromal area % (range) | 1–67 |
a
n (% of known).
b
Calculated across multiple cores.