A 67-year-old female patient was referred to our hospital because of a 1-year history of intermittent right upper quadrant pain associated with anorexia and weight loss (5 kg in 6 months). Her medical history was significant for a vulvar epidermoid carcinoma (T3G2N0) 6 years ago that had been treated with vulvectomy, radiotherapy, and curietherapy. She was, thus far, free of recurrence. Ten years ago, she also underwent a complicated cholecystectomy requiring common bile duct exploration, which was not performed at our institution (the operative records were not available). Owing to her chronic abdominal pain and history of cancer, the patient underwent a positron emission tomographic/computed tomographic scan that showed a 1-cm lesion with a central fluid density that was enhanced with a contrast injection and was hypermetabolic on positron emission tomographic images of the surface of segment VI of the liver (Figure 1 and Figure 2). On admission, the patient was afebrile, with normal vital signs. The results of an abdominal physical examination were also normal, revealing only a slight right upper quadrant tenderness. The white blood cell count, the C-reactive protein level, and the liver/pancreatic function test result were within normal ranges.