  The success of chemotharapy in soft matter as a survival is found in the
paper. Therefore, it is found the analogous tumor stretching force in soft
matter; ultrasonography is performed for this tumor; restoration in soft matter
with such a tumor is found; Bayes estimate of the probability of chemotherapy
success is derived from the transferred chemical energy and from soft matter
entropy; survival probability is juxtaposed to this probability of success.
