CD274 and hepatocellular carcinoma: The essential role of ferroptosis was confirmed by the use of Fer-1 to inhibit the chemical reactions, which revealed a new approach by which TACE-resistant exosomal miR-32-5p could inhibit the progression of HCC and complement the anti-PD-L1 therapeutic effects through ferroptosis using TAM, providing insights as well as potential therapeutic objectives in the treatment of HCC.