Increased Porphyrins in Primary Liver Cancer Mainly Reflect a Parallel Liver Disease

Table 2

Etiology of cirrhosis in 31 patients with HCC.

Etiology	𝑛	%
alcohol^1	13	42
hepatitis C^1	7	23
autoimmune hepatitis	1	3
primary biliary cirrhosis	1	3
alpha-1-antitrypsin deficiency	1	3
NASH	1	3
hepatitis B	0	0
unknown	9	29

1includes 2 cases with history of both alcohol abuse and hepatitis C.