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

Table 4

Conventional ultrasound manifestations of peripheral lung lesions.

Group	Pathological changes		Largest diameter (cm)	Echo (very low/low/mixed)
	Upper/lower	Upper/middle/lower leaf
Experimental group ()	16/29	25/3/24		25/68/4
Control group ()	6/17	16/1/21		12/43/6

Data are based on the results of an experimental investigation.