Fig. 3From: Resection of an esophageal schwannoma with thoracoscopic surgery: a case reportRepresentative photomicrographs of tissue sections. a Massive white tumor mass in the submucosal layer. b High-power photomicrograph of the tumor shows spindle-shaped cells in a fasciculated and disarrayed architecture (hematoxylin–eosin, ×400). c S-100 was detected in the cytoplasm of the tumor cells (×100). d C-kit was not detected in the tumor cells (×100).Back to article page