Volumetric Breast Ultrasound as a Screening Modality in Mammographically Dense Breasts

Table 1

Breast cancer size according to method detection.

Age	Control subjects (mammography alone) (𝑁=19)	Average tumor size (in mm)	Test subjects (mammography with VBUS) (𝑁=42)	Average tumor size (in mm)
<50 yr	5	18.4	7	12.4
0–69 yr	12	18.2	27	14.3
≥70 yr	2	46.0	8	13.4
Totals	19	22.3	42	14.3