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A 46-year-old woman was found to have a huge liver mass that was detected by abdominal ultrasonography. Abdominal CT and MRI showed a 10 cm-sized, encapsulated mass occupying the anterior segment of the right hepatic lobe. Extended right hemihepatectomy was performed and pathological examination revealed fibroblast-like spindle cells within dense deposits of collagen. On immunohistochemical staining, these spindle tumor cells showed an intense CD34 immunoreactivity. The patient is alive without evidence of tumor recurrence 7 months after the resection. Solitary fibrous tumor is a very rare neoplasm found in the liver parenchyma, and it has been reported in less than 30 patients in the English literature. We present here the first such case in Korea.