Figure 4From: Expression of BNIP3 in invasive breast cancer: correlations with the hypoxic response and clinicopathological features Immunohistochemistry for BNIP3 in 2 cases of invasive breast cancer (original magnification 40×) showing nuclear staining in adjacent normal breast tissue (a and c), while tumor cells of the same specimens show only cytoplasmic expression (b and d). Back to article page