Table 3 Interval follow-up variables: For all cases (n = 304), for cases in which an attempt to completely excise the breast lesion was made (n = 235), and for cases in which only diagnostic tissue sampling of the breast lesion was undertaken (n = 69)

Was any IFU done by patient?

   Yes

   No

Was IFU imaging performed?

   Yes

   No

   Instead had subsequent excisional breast procedure performed

Median time to IFU imaging (months) for those (n = 189) undergoing IFU imaging

Was IFU ultrasound performed?

   Yes

   No

   Instead had subsequent excisional breast procedure performed

Was a residual ultrasound lesion visible for those undergoing IFU ultrasound (n = 188)?

   Yes

   No

Was IFU mammogram performed?

   Yes

   No

   Instead had subsequent excisional breast procedure done

Was a residual mammographic lesion visible for those undergoing IFU mammogram (n = 179)?

   Yes

   No

For those undergoing a pre-procedural mammogram (which demonstrated a mammographic lesion) and who had both an IFU ultrasound and an IFU mammogram, was a residual ultrasound lesion visible on IFU ultrasound (n = 110)?

   Yes

   No

For those undergoing a pre-procedural mammogram (which demonstrated a mammographic lesion) and who had both an IFU ultrasound and an IFU mammogram, was a residual mammographic lesion visible on IFU mammogram (n = 110)?

   Yes

   No

Median duration of IFU (months) for those (n = 256) undergoing IFU