The women in the studies all had relatively early cancers.

For years, it was a medical truism that the earlier cancer could be detected, the better.

They spent less money, but detected more cases of early cervical cancer.

Sometimes early cancer of the urethra does not cause any symptoms at all.

The earlier cervical cancer is diagnosed, the better the chance for a cure.

You have to do ten thousand colonoscopies to find one early cancer.

The earlier cancer is diagnosed and treated, the better the chance of its being cured.

You have a strong family history of early ovarian cancer.

But researchers said that the test misses 50 percent of early cancers.

They found early cancers in almost 10% of those screened.