Fig. 1

　Overview of the surgical assist suit（SAS）. A: Front view of the SAS. White arrows: operation switches for each upper arm. The switches control each side independently. B: Back view of the SAS. Black arrows: wireless electromyography（EMG） sensors. C: Side view of the SAS. White arrowheads: EMG electrodes. D: Animal experiment. E: Results of lymphadenectomy times. White bar: control group; hatched bar: SAS group; error bar: S.D.; N.S.: not significant（paired t-test）.