Fig. 6

MPPa-PDT inhibits tumor metastasis in vivo. a Representative photos of the tumor-bearing mice in the four groups. b Tumor volume changes of the four groups over the course of treatments. c Body weight changes of the four groups over the course of treatments. d Representative H&E staining images of lung tissues from the mice in the four groups. e Collagen and cytoskeleton of tumor tissues were measured by immunofluorescence staining (scale bar, 200 μm)