cN3 indicates metastases in ipsilateral infraclavicular (level III axillary) lymph node(s) — with or without level I, II axillary node involvement — or in ipsilateral internal mammary lymph node(s) with level I, II axillary lymph node metastasis; or metastasis in ipsilateral supraclavicular lymph node(s), with or without axillary or internal mammary lymph node involvement.
Learn more about breast cancer staging.
Medscape © 2021 WebMD, LLC
Any views expressed above are the author's own and do not necessarily reflect the views of WebMD or Medscape.
Cite this: Elwyn C. Cabebe. Fast Five Quiz: Key Aspects of Metastatic Breast Cancer - Medscape - Dec 02, 2021.