Screening has been shown to detect the vast majority of cancers among women older than 50 years at a stage in which effective treatment is available. Which of the following criteria for an ideal screening program is best illustrated by this statement?
a. Substantial mortality and/or morbidity
b. Early detection improves outcome
c. Screening is feasible
d. Screening is acceptable in terms of costs, harms and patient acceptance
e. None of the above