Definition of Interval malignancy
Interval malignancy: In mammography, a malignancy that becomes evident during the period between annual screening mammograms. The finding of an interval malignancy indicates that it either went undetected on the prior breast imaging scan or that it developed during the interval since that last scan.
Source: MedTerms™ Medical Dictionaryhttp://www.medterms.com/script/main/art.asp?articlekey=32039
Last Editorial Review: 4/13/2004
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