In addition, fusions of the NRG1 gene with various partner genes, such as the CD74 molecule, solute carrier family 3 member 2, and unc-5 netrin receptor D, have been identified in a wide range of cancer types, although their frequency is low with only 82 such examples out of 44,570 tumors (0.2%) [26]. The gene discussed is CD74; the disease is cancer.