Integrating WHO-HAEM5 Classification, 18F-FDG PET CT Imaging, and Molecular Profiling in Lymphoma Management: Implications for Prognosis, Follow-Up, and Personalized Therapy (2020-2025 Systematic Review). Ital J Med 2026, 20 (1). https://doi.org/10.4081/itjm.2026.2406.