YAP1 and melanoma: On day 21, when the tumors were collected, the average size and weight of YAP1 melanomas (1287.99 ± 286.13 mm3, 1.30 ± 0.23 g) exceeded those of control tumors carrying normal CAFs (829.98 ± 136.48 mm3, 0.96 ± 0.28 g) (Fig. 2D, E).