CT feature:

Histopathological diagnosis

p value

Malignant n (%)

Benign n (%)

Calcification

11 (39.3)

6 (27.3)

0.373^*

Pressure effect on biliary apparatus

11 (39.3)

1 (4.5)

0.004^*

Lymphadenopathy

10 (35.7)

1 (4.5)

0.022^**

Portal vein invasion

4 (14.3)

0 (.0)

0.186^**

Hepatic vein invasion

3 (10.7)

0 (.0)

0.325^**

IVC invasion

2 (7.1)

0 (.0)

0.581^**