Figure 1From: Comparison of the epidermal growth factor receptor protein expression between primary non-small cell lung cancer and paired lymph node metastases: implications for targeted nuclide radiotherapyComparisons of immunohistochemical EGFR staining of primary non-small cell lung cancer (A) and corresponding metastases (B). Both A and B (from the same patient) were scored 3+. The micrographs were taken with objective × 40.Back to article page