Fig. 3From: Hemothorax due to a ruptured esophageal gastrointestinal stromal tumor: case reporta Macroscopic view of the resected tumor fragments, measuring approximately 19 × 13 × 5 cm. b The tumor was composed of disarrayed fascicles of eosinophilic spindle cells (H&E staining ×100). By immunohistochemistry, the tumor cells were diffusely positive for c-kit (c) and CD34 (d) (×200)Back to article page