To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2. Tissue collapse phenotype of the EGFR mutant. Imaging was started in the late stage 10. Time t = 0 was set at the time of full opening of the tracheal pit at T2. Related to Fig. 2D, E. Development ; doi: 10.1242/dev.201231 Download Original Video