Anatomic Stage I Breast Cancer AJCC v8NCIt concept
Preferred Label : Anatomic Stage I Breast Cancer AJCC v8;
NCIt synonyms : Anatomic Stage I Breast Carcinoma AJCC v8;
NCIt related terms : Stage I Breast Cancer;
NCIt definition : Stage I includes: IA: (T1, N0, M0); IB: (T0, N1mi, M0); (T1, N1mi, M0). T0: No evidence
of primary tumor. T1: Tumor measuring 20 mm or less in greatest dimension. N0: No
regional lymph node metastasis is identified or isolated tumor cell clusters (ITCs)
are identified only. N1mi: Tumor with micrometastases (approximately 200 cells, larger
than 0.2 mm, but none larger than 2.0 mm). M0: No clinical or radiographic evidence
of distant metastases. Imaging studies are not required to assign the M0 category.
(AJCC 8th ed.);