Isolated coronary artery ectasia (ICAE) is frequently encountered in clinical practice with increasing invasive imaging methods, and our knowledge about its etiology, prognosis, and treatment approaches is increasing daily., We read with great interest the recent retrospective study of Dindas et al., which deals with the relationship between the Systemic Immune Inflammation Index (SII) and ICAE. It has been suggested that SII neutrophils, platelets, and lymphocytes collected in a single fraction may be a good indicator of inflammation and immune […]