FIG. 5.

(a) Model tumors 1, 2, 3, and 4 made of green modeling clay. The diameters of the model tumors were 11.5 ± 0.3 mm, 10.3 ± 0.3 mm, 7.8 ± 0.2 mm, and 6.2 ± 0.2 mm, respectively; (b) a photograph of the model breast made of gelatin with the four model tumors suspended in it. The distances from the top of the model tumors to the gelatin surface were 6.8 ± 0.4 mm, 9.3 ± 0.3 mm, 8.0 ± 0.3 mm, and 5.5 ± 0.2 mm, respectively; (c) elastic modulus (E) map of the model breast of gelatin with clay model tumors scanned by the PEF breast cancer detection system. The actual locations of the tumors are marked with black circles.