Recombinant Human Adenovirus Type 5 Plus HAIC of FOLFOX for Intrahepatic Cholangiocarcinoma

H101 will be intratumorally injected 3 days before HAIC. Dosage of H101: 1 vial (5.0 × 10\^11 vp) if the maximum diameters of lesion ≤ 5 cm, 2 vials (1.0 × 10\^12 vp) if the maximum diameters of lesion ≤ 10 cm, 3 vials (1.5 × 10\^12 vp) if the maximum diameters of lesion is \> 10 cm.

Oxaliplatin 50 mg + 5-FU 1.5 g + leucovorin calcium. The infusion will be continued for 2-3 days according to patients' tolerance and tumor conditions. The standard treatment for HAIC consists of 4-6 cycles, with the second cycle being 3 weeks after the end of the first HAIC cycle and the subsequent cycles being 4 weeks after the end of the previous HAIC.