Figure 2.a. A grossly circumscribed tumor was located on the tail of the pancreas. A high density area indicating internal bleeding was found on unenhanced CT (arrowhead). b. The surrounding fluid retention was present in the retroperitoneum (arrowhead). c. Left pleural effusion was observed (arrowhead). d. The tail of the pancreas caudal to the tumor was poorly enhanced and moderately swollen (arrowhead).