Article: False-negatives for sentinel node positivity increase in breast cancer staging.

2004 AUG 9 - (NewsRx.com & NewsRx.net) -- False-negatives results for sentinel node positivity are increased in a new breast cancer staging system.

"The sixth and newest edition of the American Joint Committee on Cancer (AJCC) staging system for breast cancer now defines axillary sentinel lymph nodes with micrometastatic deposits 0.2 mm in diameter or smaller as node-negative.

"The aim of this study was to determine how this new classification scheme would affect axillary sentinel lymph node positivity, false-negative rate, and overall accuracy of an inception cohort of 205 breast cancer patients undergoing definitive surgery that included sentinel ...

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