/ Thesaurus / P Synonyms of preinvasive cancer Find synonyms for: Noun1. carcinoma in situ, preinvasive cancer, carcinomausage: a cluster of malignant cells that has not yet invaded the deeper epithelial tissue or spread to other parts of the bodyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language