INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS, cilt.75, sa.4, ss.1035-1040, 2009 (SCI-Expanded)
Purpose: Katz suggested a nomogram for predicting having four or more positive nodes in sentinel lymph node (SLN)-positive breast cancer patients. The findings from this formula might influence adjuvant radiotherapy decisions. Our goal was to validate the accuracy of the Katz nomogram.