Fig. 2From: Undifferentiated pleomorphic sarcoma of the pancreas: a rare case report and literature reviewMicroscopic section reveals spindle cells arranged in a storiform pattern, with polymorphic neoplastic cells (hematoxylin and eosin, × 40, × 100 original magnification) (a, b). The cells exhibit the diffuse positive reaction to vimentin (c). The cells are positive for p53 (d)Back to article page