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Table 4 Differences in presentation of aberrant ER methylation within the luminal phenotype subgroups

From: ESR1gene promoter region methylation in free circulating DNA and its correlation with estrogen receptor protein expression in tumor tissue in breast cancer patients

Phenotype

N

OS at 5 years

P

ER non-methylated

   

  Luminal A

28

93%

NS

  Luminal B

14

92%

NS

  Triple Negative

3

80%

NS

  Her2

4

75%

NS

ER methylated

   

  Luminal A

11

82%

NS

  Luminal B

8

86%

NS

  Triple negative

12

75%

NS

  Her2

6

67%

NS

  1. OS: overall survival.
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BMC Cancer

ISSN: 1471-2407

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