preinvasive cancer

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Noun1.preinvasive cancer - a cluster of malignant cells that has not yet invaded the deeper epithelial tissue or spread to other parts of the body
carcinoma - any malignant tumor derived from epithelial tissue; one of the four major types of cancer
References in periodicals archive ?
The histological classification of dysplasia (Richart, 1968): Cervical intraepithelial neoplasia (CIN) is divided into CIN I--mild dysplasia; CIN II--moderate dysplasia; and CIN III--severe dysplasia and preinvasive cancer.