Levels of ARG1-expressing GMC cells were significantly higher in the peripheral blood of CRC patients than in HD (CRC: 63.1 ± 2.9 versus HD: 43.2 ± 4.1) and PBC patients (PBC: 52.2 ± 4.4; Figure 1(g)). This evidence concerns the gene ARG1 and primary biliary cholangitis.