Definition of "preneoplastic" []

• Before the formation of a tumor (adjective)

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• "Evidently in these instances some initiating oncogen must have acted upon the epidermal cells prior to circumcision, though not sufficiently to bring about neoplastic changes at that time, but only what can be termed a preneoplastic condition that has persisted in the cells 'descendants and at last has come to completion, or been brought to it by some imperceptible, new initiating actor then."
• "The authors regarded SIM as response to stimuli caused by the changing environment, while AIM may have malignant transformation and could be regarded as preneoplastic lesions."
• "(T1a-b, T2) or in preneoplastic conditions (laryngeal intraepithelial neoplasia - LIN I, II or III)."