Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A-C Immunohistochemical staining of cytokeratin(AE1/AE3), SP-A and P53 protein. The tissue obtained from upper lobe of right lung. Cytokeratin was positive in residual alveolar epithelium of fibrosis tissue (A, EnVision × 100).The strongly positive expression of SP-A is observed in hyperplastic type II alveolar epithelium (B, EnVision×200), and some hyperplastic alveolar epithelium demonstrated positive expression of P53 (C, arrow. EnVision × 200).
