Table 2.

Harmonic motion imaging displacement before and after harmonic motion imaging for focused ultrasound ablation

	1D system				2D system
	Displacement (μm)				Displacement (μm)
	Before	After	n	p value	Before	After	n	p value
Normal	40.10 ± 15.50	17.49 ± 7.85	9	0.0025	24.73 ± 10.97	9.83 ± 6.46	10	0.0048
IDC	24.90 ± 9.64	12.28 ± 5.44	5	0.0068	12.77 ± 3.50	5.35 ± 2.74	10	0.045
FA	7.34	6.58	1		2.56	2.06	1

FA fibroadenoma, IDC invasive ductal carcinoma