Among the final 7 SLC genes we selected, SLC43A3, SLC2A10, SLC25A43, SLC7A7 and SLC47A1 exhibited upregulated expression in tumour tissue with HR greater than 1, while SLC1A6 and SLC24A4 displayed downregulated expression with HR values less than 1 (Figure 2B,C). Here, CCL21 is linked to neoplasm.