PURB and non-small cell lung carcinoma: Other EGFR fusions in NSCLC include fusions with purine-rich element binding protein B (PURB), septin 14 gene (SEPTIN14) and a recently discovered fusion partner, kinesin family member 5B (KIF5B) (Konduri et al., 2016; Zhu et al., 2019; Xu and Shao, 2020).