Fig. 1From: Primary pancreatic-type acinar cell carcinoma of the jejunum with tumor thrombus extending into the mesenteric venous system: a case report and literature reviewPreoperative computed tomography scans: a. An 8.5 × 4.0 cm exophytic submucosal tumor located in the jejunum. The posterior aspect of the superior mesenteric vein is compressed by the tumor, and the tumor extends to the uncinate process of the pancreas; b. The tumor thrombus invades the first jejunal vein (arrow); c. The jejunal mesentery shows significant thickening (arrow)Back to article page