LMO7 and thyroid gland papillary carcinoma: LMO7, a multifunctional protein regulating actin cytoskeleton, assembly of adherens junctions in epithelial cells and gene expression,11 was first identified to be fused with v‐Raf murine sarcoma viral oncogene homolog B1 (BRAF) in papillary thyroid carcinoma and proved to increase extracellular signal‐regulated kinase (ERK) phosphorylation and promote anchorage‐independent cell growth.12