Fig. 2From: Isolated middle mediastinal mass associated with immunoglobulin G4-related diseaseIntraoperative view of the left-side mediastinum and macroscopic findings of the mediastinal mass. a Intraoperative view showed that the mass was well-encapsulated neighboring to the aorta (yellow arrowheads). b Cross section of the mediastinal mass was elastic and homogenous yellowish; white bar = 1 cmBack to article page