Abstract Analysis of invasive breast cancers by histopathology has generally revolved
around the analysis of individual characteristics such as nuclear pleomorphism and/or gland
formation (grading) or categorization by specific histologic patterns (special type
carcinomas). Recognition of special types of invasive breast carcinoma allows for the
identification of women with an extremely good prognosis often approaching or equaling
that of the general population of the same age (with unique problems for medullary). The …