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Table 2 Malignancy underestimation rates of B3 subtypes

From: Breast lesions excised via vacuum-assisted system: could we get any clues for B3 lesions before excision biopsy?

B3 subtype

Number

Underestimation

Rate (%)

ADH

13

3

23.1

FEA

4

0

0

LN

3

0

0

PL

84

2

2.4

PL/ADH

2

1

50

PT

71

1

1.4

CSL/RS

6

1

16.7

  1. ADH atypical ductal hyperplasia, FEA flat epithelial atypia, LN classical lobular neoplasia, PL papillary lesions, PL/ADH papillary lesions/atypical ductal hyperplasia, PT phyllodes tumors, CSL/RS complex sclerosing lesions/radial scars