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Endoscopy and axial CT images before and after the procedure. A: Preprocedural endoscopy, varix protruding into the lumen (arrow). B: Preprocedural CT, visible varices in the ascending part of the duodenum (arrow). C: Postprocedural endoscopy, no visible structures protruding into the lumen. D: Postprocedural CT, varices disappeared, and NBCA cast residual seen as a high-density area (arrow).
