PMC4310005_01
Photograph taken at the time of endoscopic tumor resection. This image demonstrates the relatively large mass located right at the gastroesophageal junction.
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GEJ with possible extension into the lower esophageal mucosa (Fig. 1).
Smooth muscle tumor with low cellularity. The cells form haphazard fascicles and have abundant eosinophilic cytoplasm with "cigar-shaped" nuclei.
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Pathologic evaluation of the specimen showed that the polyp had very low cellularity, with morphologic, immunohistochemical, and ultrastructural features supporting smooth muscle differentiation (Fig. 2, hematoxylin and eosin stain).