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. 2022 Apr 3;11(1):2061396. doi: 10.1080/2162402X.2022.2061396

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© 2022 The Author(s). Published with license by Taylor & Francis Group, LLC.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 5. — ALA-PDT suppresses tumor growth by altering the TLS-mediated tumor microenvironment in cSCC patients. (a) Tumor tissues from cSCC patients were subjected to immunohistochemistry staining. Tumor tissues (48 h after ALA-PDT) were randomly selected from 2 sites. The yellow circles show TLSs, the yellow arrows indicate the enlarged area in the image below. (b) Tumor tissues (24 h after ALA-PDT) were randomly selected from 2 sites. The yellow circles show TLSs. The scale bar is 200 μm (white) and 50 μm (yellow).