Simplified liver imaging reporting and data system for the diagnosis of hepatocellular carcinoma on gadoxetic acid-enhanced magnetic resonance imaging

Table 2 The observation categories according to the liver imaging reporting and data system

LI-RADS category	LI-RADS v2018		sLI-RADS A		sLI-RADS B		sLI-RADS C		sLI-RADS D		F-sLI-RADS
	HCC	non-HCC	HCC	non-HCC	HCC	non-HCC	HCC	non-HCC	HCC	non-HCC	HCC	non-HCC
1	0	42	0	42	0	42	0	42	0	42	0	42
2	1	38	1	38	1	38	1	38	1	38	1	38
3	11	13	16	28	1	2	11	13	11	13	7	13
4	15	19	21	4	22	26	64	25	9	18	6	14
5	187	14	176	14	190	18	138	8	193	15	200	19
M	1	15	1	15	1	15	1	15	1	15	1	15
Total	215	141	215	141	215	141	215	141	215	141	215	141

M indicates liver imaging reporting and data system M category (probably or definitely malignant but not hepatocellular carcinoma specific). HCC: Hepatocellular carcinoma; LI-RADS: Liver imaging reporting and data system; sLI-RADS: Simplified liver imaging reporting and data system; F-sLI-RADS: Final simplified liver imaging reporting and data system.