XCR1 and rectum adenocarcinoma: However, compared with adjacent normal tissue, an even lower expression of XCR1 was observed in most cancers (Kruskal–Wallis test p < 0.05), such as LIHC, LUAD, LUSC, READ (rectum adenocarcinoma), THCA, UCEC, and HNSC (Figure 2B).