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Table 3 Relation between the change of CXCR4 expression with pathological response in tumor tissue sample from 48 cases of primary breast cancer

From: Decreased expression of C-erbB-2 and CXCR4 in breast cancer after primary chemotherapy

   CXCR4 staining    
Pathological change Increased Decreased Unchanged χ2 R p
Class 1-3 1 2 9    
Class 4 2 21 10 8.03 -0.312 0.037
  1. Pathologic response class 1-3 equals to Clinical responses (CR) and Pathologic response (PR), class 4 equals to SD.