Systemic inflammation and risk stratification in pheochromocytoma: Insights from PASS components, TNM stage, and the tumor immune microenvironment - Ümit Çavdar; Tuğçe Tekinaslan; Özlem Eren; Emine Özlem Gür; Serkan Karaıslı; Mehmet Haciyanli; Selda Gücek Haciyanli; Aslı Kahraman; Mehmet Sercan Ertürk; Barış Önder Pamuk; Serkan Yener (Eurasian Journal of Medicine and Oncology, 2026)