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Table 1 Patient characteristics: early disease

From: Phosphorylated EGFR and PI3K/Akt signaling kinases are expressed in circulating tumor cells of breast cancer patients

Characteristic n (%)
Menopausal status
   Premenopausal 4 (25)
   Postmenopausal 12 (75)
   Unknown 0 (0)
Tumor size
   pT1 3 (19)
   pT2 10 (62)
   pT3 3 (19)
Lymph node status
   Node-negative 6(38)
   Node-positive 10 (62)
Histologic grade
   Grade 1 1 (6)
   Grade 2 11 (69)
   Grade 3 4 (25)
ER/PR tumor status
   Positive 11 (69)
   Negative 4 (25)
   Unknown 1 (6)
HER2 tumor status
   Positivea 3 (19)
   Negative 12 (75)
   Unknown 1 (6)
EGFR tumor status
   Positive 3 (19)
   Negative 9 (56)
   Unknown 4 (25)
  1. aA score +3 or fluorescence in situ hybridization positive. EGFR, epidermal growth factor receptor; ER, estrogen receptor; HER, human epidermal growth factor receptor; PR, progesterone receptor.