Two Surgical Cases of Thymic Tumor Requiring Resection and Reconstruction of the Superior Vena Cava and the Brachiocephalic Vein. - Shirakawa M; Kimura H; Amitani R; Suzuki K; Miyagi Y; Honda J; Sonokawa T; Machida Y; Kawasaki N; Usuda J; Ishii Y (Annals of vascular diseases, 2026)