COPB2 and diffuse large B-cell lymphoma: Subsequently, the differences in COPB2 expression were assessed between normal tissues and DLBC (lymphoid neoplasm diffuse large B cell lymphoma) (P < 0.05), LGG (brain lower grade glioma), LAML (acute myeloid leukemia), SKCM (skin cutaneous melanoma), and THYM (thymoma) tissues (Figure 1(b)).