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Table 3 Features associated with presence of in situ or invasive carcinoma at surgical specimen margins

From: A prospective pilot study of analysis of surgical margins of breast cancers using high-resolution sonography

Feature analysed

Number of cases with cancer at margins (%)

p value

Breast density

 Density “c” + density “d”

3/6 (50)

0.05

 Density “a” + density “b”

1/17 (5.8)

 

Clinical presentation

 Palpable lump

2/14 (14.2)

0.68

 Non-palpable

2/9 (22.2)

 

Lesion size on US

 <1.5 cm

2/10 (20)

0.48

 ≥1.5 cm

2/13 (15.3)

 

Volume of specimen

 <50 ml

1/10 (10)

0.80

 ≥50 ml

3/13 (23)