noninfiltrating lobular carcinoma

non·in·fil·trat·ing lob·u·lar car·ci·no·ma

carcinoma of the breast in which small tumor cells fill preexisting acini within lobules, without invading the surrounding stroma.
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References in periodicals archive ?
Of the cancers detected, 97% were stage 0 or stage 1 when detected by the MRI, and the remaining cancer was a 4-cm node-negative, noninfiltrating lobular carcinoma.