HAVCR1 and cervical squamous intraepithelial neoplasia: Duan et al. investigated whether urinary KIM-1, interleukin-18 (IL-18), and Cys-C are early predictive biomarkers of gadolinium-based contrast-induced nephropathy (Gd-CIN) in elderly patients undergoing gadolinium-enhanced magnetic resonance imaging (MRI).