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Representative immunohistochemical staining of ERα, ERβ, PR, and aromatase in lung adenocarcinoma. A. Negative staining of ERα; B. Positive staining of ERα; C. Negative staining of ERβ; D. Positive staining of ERβ; E. Negative staining of PR; F. Positive staining of PR; G. Negative staining of aromatase; H. Positive staining of aromatase.
