By Jeffrey Perkel
EmpowHer's HealthDay Reporter
WEDNESDAY, April 9 (HealthDay News) -- A new long-term analysis of breast cancer patient survival suggests it might be time to update the way pathologists test lymph node biopsies.
A team of New York City physicians found about one in four patients originally declared to be free of cancerous cells in their sentinel lymph nodes were actually not cancer-free, and that tiny cancer remnants called micrometastases reduced the women's survival over a 20-year period.