A Survey of Breast Pathologists’ Practice in Staging Multiple Foci of Invasive Carcinoma

The American Joint Committee on Cancer (AJCC) staging system is the reference standard for describing the extent of neoplastic disease on the basis of the size of primary tumor (T), and the presence of regional lymph node (N) involvement and distant metastasis (M). Multiple foci of invasive breast carcinoma may pose staging challenges to the reporting pathologist. We set out to evaluate the practice of local breast pathologists with regard to...