The Data Below Are from Three Separate Studies That Tested

The data below are from three separate studies that tested different treatment options for prostate cancer. What can you conclude from these data?

A) The men who were treated with surgery were the healthiest group after 10 years.
B) Cancer progressed the least after 10 years for the men who received external radiation.
C) After 5 years all three treatment options had similar outcomes.
D) After 15 years it is expected that approximately 90% of men who received radiation seeds would have cancer that did not progress.