Consider the fact that cancer is most easily defeated when it is found early, and then consider the time and expense involved in diagnosing a potential case of cancer.

Compare the lunar phase of the waning crescent to the waxing gibbous. the waning crescent is increasing in illumination and the waxing gibbous is decreasing in illumination. the waning crescent is decreasing in illumination and the waxing gibbous is increasing in illumination. the waning crescent is more than half illuminated and the waxing gibbous is less than half illuminated. the waning crescent is more than half illuminated and the waxing gibbous is more than half illuminated.