Figure 1From: The potential of hypoxia markers as target for breast molecular imaging – a systematic review and meta-analysis of human marker expression Flowchart for selection of articles describing expression prevalences of the hypoxia markers CAIX, GLUT1, CXCR4, and IGF1R in breast cancer, normal tissue, benign breast disease, and carcinoma in situ , assessed by immunohistochemistry. Back to article page