Figure 2From: Expression of CXCR4 and breast cancer prognosis: a systematic review and meta-analysis The forest plot of RRs was assessed for association between CXCR4 and clinicopathological features such as tumor category (a), N category (b), distant metastasis (c), ER status (d), PR status (e) and c-erbB-2 status (f). Back to article page