Beyond Thrombus Level: Increased Surgical Complexity, Nutritional Status, and Postoperative Complications Shape Outcomes in Renal Cell Carcinoma with Venous Tumor Thrombus—A 14-Year Single-Center Experience - Zuzanna Korbecka; Beata Jabłońska; Michał Serafin; Wiktoria Kuczmik; Bartosz Pomianowski; Karolina Blady; Robert Król (Cancers, 2026)