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Table 1 Clinicopathological factors

From: Frequent aberrant DNA methylation of ABCB1, FOXC1, PPP2R2B and PTEN in ductal carcinoma in situ and early invasive breast cancer

  No. DCIS No. Invasive No. Mixed
Diagnosis 27 28 34
Oestrogen receptor status    
Positive 19 23 24
Negative 8 4 8
Progesterone receptor status    
Positive 20 21 20
Negative 7 6 12
TP53 mutations    
Wild type 22 23 24
Mutant 5 4 8
Ki67    
Positive 6 6 14
Negative 21 22 20
Grade, I to III and/or A to C    
Grade A/I (DCIS/invasive) 1 13 3/8
Grade B/II (DCIS/invasive) 13 10 8/17
Grade C/III (DCIS/invasive) 12 4 15/7