Fig. 1From: Colonic metastasis of hepatocellular carcinoma with repeated retroperitoneal bleeding: a case reportPreoperative contrast-enhanced CT. A CT image of the patient when he first came to the hospital with abdominal pain. B Preoperative CT image when the abdominal pain recurred 1 week after (A). A ring-shaped contrast area (arrows) between the ascending colon and the retroperitoneal hematoma. The anemia had worsened, but the size of the hematoma had not changed significantlyBack to article page