Fig. 2From: Thoracoscopic resection of posterior mediastinal paraganglioma: perioperative management and surgical tipsA–D Intraoperative pictures. Soft coagulation of the peritumoral area and careful clipping of the feeding arteries. E–H The resected tumor was macroscopically smooth and encapsulated on its surface. Microscopically, the tumor exhibited the so-called Zellballen patternBack to article page