Varicose Veins: Artificial Intelligence, 3d Magnetic Resonance Fingerprinting, Epidemiology, Etiology, Pathophysiology, Next-Generation Venous Diagnostics, Spider Veins, DVT, Microvascular Reflux, Macrovascular Remodeling, and Endovenous Ablation Therapy. JEMSTR 2026, 55-74.