Table 2. The findings of DCEUS compared with postoperative pathological results.

DCEUS	Postoperative pathological results
Classification		Borrmann I	Borrmann II	Borrmann III	Borrmann IV
Borrmann I		10	0	0	0
Borrmann II		1	24	2	0
Borrmann III		0	2	30	1
Borrmann IV		0	0	1	11
Total		11	26	33	12
Accuracy		90.91%	92.31%	90.91%	91.67%

DCEUS double contrast-enhanced ultrasonography. The overall accuracy of DCEUS in Borrmann classification was 91.46% (75 of 82 patients).