MALT1 and diffuse large B-cell lymphoma: The results showed that there was a significant negative correlation between MSI and MALT1 expression in SKCM, lymphoid neoplasm diffuse large B-cell lymphoma (DLBC), and head and neck squamous cell carcinoma (HNSC), while there was a significant negative correlation between MSI and MALT1 expression in COAD, GBM, LUSC, and READ (Figure 7C).