Fig. 5.

Analysis of the fibroblast-infiltrated tumor spheroid with (a) 3D strain map and (b) 3D fluorescence overlay of (c) fibroblast (green) and (d) tumor cells (red). Scale bars = 100 µm. Movie clips (Visualization 4 ^{(2.3MB, mp4)} andVisualization 5 ^{(1.1MB, mp4)} ) are available.