Predictive Value of Histopathological Variables and Peripheral Immune-Inflammatory Markers in De Novo Metastatic Breast Cancer: Development and Clinical Utility of the Novel KiTNASP Score - Serkan Yilmaz; Mesut Yur; Erhan Aygen; Yavuz Selim İlhan and Ahmet Akbaş and Şafak Özer Balin and Ali Rıza Avul (Biomedicines, 2026)