ASS1 and liver cancer: Based on these results, we next investigated the clinical significance of ASS1 expression in Korean patients with liver cancer because its incidence and mortality rate is the highest in the world, even though ASS1 is not prognostic in liver cancer according to The Cancer Genome Atlas (TCGA) program; ‘https: //www.proteinatlas.org/ENSG00000130707-ASS1’