MEIS3 and diffuse large B-cell lymphoma: MEIS3, which is the least studied isoform of the MEIS proteins, is highly expressed in breast-invasive carcinoma, diffuse large B-cell lymphoma, kidney renal papillary cell carcinoma, head, and neck SCC, and pancreatic adenocarcinoma, unlike other isoforms (Wu et al., 2013; Wu et al., 2016; Tang et al., 2017).