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Premalignant lesions: morphologically identifiable lesions that sometimes precede the development of invasive cancer o Also called precancers, preneoplastic lesions, incipient cancers, intraepithelial neoplasias, and preinvasive cancers o May lack constitutive properties of cancer o May have certain attributes that are absent in cancers o Need not progress to cancer o Often have a high rate of regression o When premalignant lesion progresses, cancer is the obligate outcome.
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