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Table 1 Patient characteristics at diagnosis of breast cancer

From: Long-term tumor remission under trastuzumab treatment for HER2 positive metastatic breast cancer – results from the HER-OS patient registry

Characteristics Number %
Age, years   
 Median (Range) 53.8 (29–86)  
TNM status   
 T0-T1 77 30.4
 T2 119 47.1
 T3 and T4 57 22.5
 N0 74 31.0
 N1-N3 165 69.0
 M0 171 72.8
 M1 64 27.2
Grading   
 G1 11 4.4
 G2 121 48.4
 G3 118 47.2
HER2 status   
 +2 and positive FISH 11 4.1
 +3 257 95.9
Estrogen receptor (ER)/progesterone receptor (PR)   
 ER positive/PR positive 105 41.8
 ER positive/PR negative 38 15.1
 ER negative/PR positive 14 5.6
 ER negative/PR negative 94 37.5
 ER or PR unknown 17