Gallbladder (GB) cancer is relatively rare and has a poor prognosis, with a median survival time of less than 3 months. It is resistant to chemotherapy. Therefore, the role of systemic chemotherapy is limited. However, administering the anticancer agent directly into the hepatic artery can result in a higher drug concentration in the cancer tissue. In this paper, we report a case of advanced GB cancer treated with hepatic arterial infusion chemotherapy (HAIC) using the port system. The patient received six cycles of HAIC with 5-fluorouracil (750 mg/m2) and cisplatin (25 mg/m2); each cycle lasted for 4 days every month. The tumor showed objective response during HAIC, and the patient survived for 15 months from the first therapy. HAIC using the port system might be a promising therapeutic modality for treating locally advanced GB cancer. Keywords: Gallbladder cancer; Chemotherapy; Hepatic artery ì¤ì¬ ë¨ì´: ë´ëì; íì ì¹ë£; ê°ë맥