[Retracted] The Relationship between Ultrasonographic Features of Hepatocellular Carcinoma and the Severity of Hepatocellular Carcinoma and the Expression of PTEN and Tg737

Table 1

Correlation between ultrasound characteristics and pathological stage.

Index	I-II stage (n = 50)	III-IV stage (n = 40)	χ^2 value	value
Arterial phase			0.725	0.696
High echo	39	34
Moderate echo	7	4
Low echo	4	2
Portal phase			8.706	0.003
High echo	0	0
Moderate echo	4	13
Low echo	46	27
Delay period			0.110	0.740
High echo	0	0
Moderate echo	4	4
Low echo	46	36