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Table 4 Characteristics of invasive breast cancers detected during screening period

From: Screening with magnetic resonance imaging, mammography and ultrasound in women at average and intermediate risk of breast cancer

  All subjects MRI Ultrasound Mammography Mammography and/or ultrasound
(N = 22) (N =19) (N =13) (N = 12) (N = 18)
Size
 0–0.9 cm 4 3 3 1 3
 1.0–1.9cm 10 10 8 5 9
 2.0–2.9cm 6 6 2 6 6
 3.1 + cm 2 0 0 0 0
 Mean 1.6 1.5 1.3 1.8 1.6
Node status
 positive 6 3 5 2 5
 negative 16 16 8 10 13
ER
 Positive 18 16 10 10 14
 Negative 4 3 3 1 4
PR
 Positive 15 13 7 7 11
 Negative 4 3 3 2 4
 Not done 3 3 3 3 3
HER2
 Positive 3 2 1 2 2
 Negative 19 17 12 10 16