Table 1

Clinical data of patients

Number
 %
Age

     <50 years
 17
 22
     ≥50 years
 60
 78
Primary tumor size

     pT1
 25
 32
     pT2-4
 40
 52
     PTx
 12
 16
Nodal status

     No
 22
 29
     N1
 39
 51
     Nx
 16
 21
Grading

     I to II
 35
 45
     III
 24
 31
     Unknown
 18
 23
Estrogen receptor status

     Negative
 20
 26
     Positive
 45
 58
     Unknown
 12
 16
Progesterone receptor status

     Negative
 25
 33
     Positive
 39
 50
     Unknown
 13
 17
HER2 statusa

     Negative
 44
 57
     Unknown
 33
 43
Localization of metastases

     Visceral
 25
 33
     Bone
 13
 17
     Multiple/other
 39
 51

A total of 77 patients were included in this study. aHuman epidermal growth factor receptor (HER)2 status at the time of study inclusion; in 14 patients HER2 status could be determined from archival tissue (five HER2-positive patients and nine HER2-negative patients).

Fehm et al. Breast Cancer Research 2007 9:R74   doi:10.1186/bcr1783