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Pronunciation: mi-kro-kar-si-no'ma


  1. Carcinoma at a preclinical or preinvasive stage, detectable only by histologic examination.
  2. A carcinoma that measures less than a certain size (1 cm) when first detected; maximum sizes, associated with a more favorable prognosis, vary with the type of tumor.

[micro- + carcinoma]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.