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Table 3 Inter-nodal relationships according to the number of retrieved sentinel nodes (SNs)

From: Ultrasound-guided dual-localization for axillary nodes before and after neoadjuvant chemotherapy with clip and activated charcoal in breast cancer patients: a feasibility study

Relationship One SN Two or more SNs P value
Clipped node to tattooed node    1.00
 Concordance 73% (8/11) 77% (10/13)  
 Discordance 27% (3/11) 23% (3/13)  
Clipped node to sentinel nodea    .206
 Concordance 45% (5/11) 77% (10/13)  
 Discordance 55% (6/11) 23% (3/13)  
Tattooed node to sentinel nodea    .102
 Concordance 36% (4/11) 77% (10/13)  
 Discordance 64% (7/11) 23% (3/13)  
  1. aSentinel nodes were narrowly defined as radioactive nodes and/or nodes containing blue dye