Case report: Combination therapy for hepatocellular carcinoma with inferior vena cava or right atrial tumor thrombus in the era of combined targeted and immunotherapeutic agents - Hai, Yubin; Lin, Tingting; Wang, Guangyi; Sun, Xiaodong; Wang, Lan; Hai, Yuying; Chen, Saisai; Shi, Xiaoju (Frontiers in Oncology, 2024)