LGALS3 genotypes have been associated with susceptibility to dilated cardiomyopathy (Zhang et al., 2018), frequent respiratory tract infections and vaso‐occlusive crisis in children with sickle cell anemia (Mendonca Belmont et al., 2016), the tumor grade and prognosis of glioma (Chen et al., 2012), and the chemotherapeutic response and prognosis of non‐small cell lung cancer (Wu et al., 2012). The gene discussed is LGALS3; the disease is sickle cell disease.