SLC9D1 and hepatocellular carcinoma: Next, to observe the expression of TMCO3 and its associated prognosis in a cohort of patients with HCC from Tongji Hospital, we selected tissue microarrays from 123 pairs of HCC patient tumors and adjacent non‐cancerous tissues for IHC staining of TMCO3, AKT, and P‐AKT‐S473 (Figure8A,B; Table S1, Supporting Information).