The RefSeq MIR155HG gene is a miR host gene, where the long RNA transcribed from this gene is expressed at high levels in lymphoma and may function as an oncogene, as provided by RefSeq, Dec 2017 http://genome.ucsc.edu/cgi-bin/hgGene?db=hg19&hgg_gene=MIR155. Here, MIR155HG is linked to lymphoma.