Gastrointestinal stromal tumor - stomach
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There is a well-defined ovoid soft tissue mass (26 x 20 x 16 mm) with moderate enhancement arising from the posterior wall of the antrum with endoluminal extension. On enhanced images the endoluminal portion of the tumor is covered by a thin mucosal layer (well-visualized on coronal reconstruction), indicating its submucosal origin.
Small nodule of the segment V of the liver (known small hemangioma).
CT features of a soft tissue mass arising from the posterior wall of the gastric antrum corresponding probably to a gastrointestinal stromal tumor (GIST).