Fig. 1. Optical path structure of off-axis digital holographic microscopic imaging system

Fig. 2. Phase images of A2780 cells before drug and with drug for 9 h

Fig. 3. Morphological changes of cancer cells death after exposing to drug

Fig. 4. Changes of mean phase shift with time in the process of cancer cell death

Fig. 5. Changes of cell dry mass with time in the process of cancer cell death