Fig. 1

Dynamic abdominal computed tomography (CT) findings. A In 2015, the arterial phase showed enhancement of tumor at liver segment 4, measuring 10 mm in diameter. B The tumor was isodense during the late phase. C In 2017, the arterial phase showed enhancement of the tumor, measuring 15 mm in diameter. D The tumor remained isodense during the late phase. E In 2020, the arterial phase showed tumor progression, measuring 20 mm in diameter. The tumor was located close to the left first branch of Glisson. F The tumor remained isodense during the late phase