LCN2 and acute kidney injury: The present prospective cohort study characterizes the prognostic accuracy of neutrophil gelatinase-associated lipocalin (NGAL) as a marker of distal tubular damage, kidney injury molecule-1 (KIM-1) as a marker of proximal tubular damage, and calprotectin as an inflammatory renal biomarker for the development of CI-AKI in a population of 490 subjects undergoing coronary angiography.