Inhibitory Effect of Astragalus Polysaccharide on Premetastatic Niche of Lung Cancer through the S1PR1-STAT3 Signaling Pathway

Figure 3

The morphologic changes in the lung tissue of mice on day 21. (a) Blank group. (b) Model group. (c) APS-L group. (d) APS-M group. (e) APS-H group. (f) FTY720 group (magnification of ×400). The data were presented as the mean ± SD. n = 6. Scale bar = 20 μm.

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