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Table 1 Clinicopathological features

From: Study of the tumor microenvironment during breast cancer progression

Parameters Normal Stage I Stage II Stage III Stage IV
Number of cases 11 14 15 15 10
Age (years) (mean ± SEM) 40 ± 2.6 48 ± 2 53 ± 3 43 ± 2.6 55 ± 3.5
Menopausal status
 Pre 84 84.6 55.5 73 62.5
 Post 16 15.4 44.5 27 37.5
Type
 IDC NA 100 93 87.5 100
 ILC NA 0 7 12.5 0
Hormone status
 ER Positive NA 77 53 80 62.5
 PR Positive NA 54 44 80 50
Her2/neu positive NA 23 37.5 53 37.5
p53 positive NA 70 30 33 33
  1. All values except number of cases and age represent N (%)
  2. NA not applicable, IDC invasive ductal carcinoma, ILC invasive lobular carcinoma, ER estrogen receptor, PR progesterone receptor, Her2/neu human epidermal growth factor receptor 2