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Table 3 Concordance of risk classification between core needle biopsy samples and surgical specimens

From: Efficacy of an RNA-based multigene assay with core needle biopsy samples for risk evaluation in hormone-positive early breast cancer

 

Core needle biopsy sample (n, %)

Surgical specimen (n, %)

Total

Concordance rate (%)

Low risk

High risk

All breast cancers

Low risk

17 (54.8)

3 (9.7)

20 (64.5)

83.9

High risk

2 (6.5)

9 (29.0)

11 (35.5)

Total

19 (61.3)

12 (38.7)

31 (100.0)

Non-calcified breast cancers

Low risk

17 (68.0)

1 (4.0)

18 (72.0)

92.0

High risk

1 (4.0)

6 (24.0)

7 (28.0)

Total

18 (72.0)

7 (28.0)

25 (100.0)

Solitary (Non-multifocal) breast cancers

Low risk

17 (70.8)

0

17 (70.8)

95.8

High risk

1 (4.2)

6 (25.0)

7 (29.2)

Total

18 (75.0)

6 (25.0)

24 (100.0)