Mutations in the epidermal growth factor receptor (EGFR) gene in triple negative breast cancer: possible implications for targeted therapy

Table 3 Clinicopathological characteristics of triple negative breast cancers studied in this cohort

Clinicopathological features	Numbers
Age (years)
Mean	52
Minimum	38
Maximum	78
Tumour size (mm)
Mean	34.9 mm
Minimum	1.5 mm
Maximum	125 mm
Tumour grade
1	2
2	15
3	53
Histology
Invasive ductal carcinoma	66
Invasive lobular carcinoma	2
Papillary	1
Metaplastic	1
Growth pattern
Trabecular	38
Syncytial	32
Nuclear pleomorphism
Moderate	19
Marked	51
Lymphovascular invasion
Present	28
Absent	41
Not available	1
Axillary lymph node involvement
Involved	34
Not involved	31
Not available	5
Associated DCIS
Absent	19
Intermediate nuclear grade	28
High nuclear grade	11
Not available	12

ISSN: 1465-542X