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. 2006 Sep 30;21(3):178–182. doi: 10.3904/kjim.2006.21.3.178

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Copyright © 2006 The Korean Association of Internal Medicine

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Bronchoscopic and pathologic changes of Case 2 before and after photodynamic therapy. (A) Bronchoscopic findings before photodynamic therapy (PDT) (2003.7.18). (B) Squamous cell carcinoma in the left upper lobe bronchus (H&E ×200). (C) Four days after first PDT (2003.7.28). (D) Edematous change (H&E ×100). (E) Five months after first PDT (2003. 12.8). (F) Low grade dysplasia (H&E ×200). (G) Recurrent mass after eight months (2004.3.9). (H) Squamous cell carcinoma. (H&E ×200). (I) One month after second PDT (2004.3.13). (J) Non-specific bronchitis (H&E ×40). (K) Five months after second PDT (2004. 7.19). (L) Non-specific bronchitis (H&E ×40).