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Table 1

From: Is ultrasound axillary staging less accurate in invasive lobular breast cancer than in ductal breast cancer?

 

IDC

ILC

Pvalue

Node-positive BC

34% (22/65)

32% (21/65)

 

Preoperative US detection of node-positive disease

54% (12/22)

52% (11/21)

0.5

Abnormal US LN appearance

37% (24/65)a

26% (17/65)b

0.2

False negative rate for axillary US biopsy

18% (4/22)

12% (2/16)

0.5

  1. aOne unable to biopsy due to technical factors, one failure to sample node-B1. bOne failure to sample node-B1.