cancer tests

After having some of Argentina’s leading cancer surgeons completely remove her thyroid gland, tests showed no presence of any cancerous cells.

WASHINGTON (AP) -- Does a test that promises to find ovarian cancer sooner really do so? Could other tests nearing the market prolong survival by getting patients the right care faster?

A race is on for blood tests to better detect this intractable killer, but the Food and Drug Administration is probing whether to crack down on the first one to sell....