Table 1.

Histological subtypes of Primary liver cancers (PLCs) and prognosis.

	Prognosis
Hepatocellular Carcinoma (HCC)	Better	Worse
Histological subtypes	Lymphocyte-rich Clear cell	Macrotrabecular-massive Neutrophil-rich
Tumor differentiation	well	poor
Immunohistochemical subtype	K19 negative HCC	K19-positive HCC
Immuno microenvironment	Immune-high	Immune-low
Combined HCC-CCA
Tumor component	Predominant HCC component	Predominant iCCA component
Intrahepatic cholangiocarcinoma (iCCA)
Histological subtypes	Small duct type	Large duct type

As compared with the prognosis of each category.