Which of the following statements is true about tumor (neoplasm) nomenclature based on tissue origin and behavior in histopathology?
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Correct answer: Carcinomas are epithelial and sarcomas mesenchymal; only malignant ones invade and metastasize
By standard nomenclature, carcinomas are malignant tumors of epithelial origin, sarcomas are malignant tumors of mesenchymal origin; benign tumors mimic tissue of origin, do not invade or metastasize, whereas malignant ones invade and may spread.
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