Fig. 4From: Undifferentiated pleomorphic sarcoma of the spleen: a case report and literature reviewHistological slides showing A epithelioid component characterized by sheets of neoplastic cells with bizarre nuclei and atypical mitotic activity (blue arrow) and B spindled areas showing neoplastic cells organized in short fascicles (red arrow) and tumour necrosis (yellow arrow)—H&E × 200Back to article page