Fig. 5
From: A desmoplastic fibroblastoma that developed in the anterior mediastinum: a case report
Macroscopic and microscopic findings of the tumor. A Gross appearance of the tumor. The cut surface of the tumor showed a dense mesh network of collagen fibers. B Hematoxylin–eosin staining showed that the paucicellular tumor was composed of vaguely arranged bundles of wavy collagenous fibers. C The pedicle of the tumor was composed of longitudinally arranged fibrous bundles connected to the pericardium, suggesting its origin