[Retracted] Quantitative Parameters of Contrast-Enhanced Ultrasound Combined with Lung Biopsy Were Used to Evaluate the Benign and Malignant Lesions around the Lungs

Table 3

Comparison of contrast-enhanced ultrasound parameters between lesions and bile duct wall in the benign group.

Index	Lesion	Bile duct wall	value	value
Peak time			0.36	0.717
Area under the curve			0.62	0.541
Gradient			0.67	0.505