"We went in and he said they took biopsies and one of them came back showing a very aggressive cancer."

Of those infected, three in four carried type 18, the virus associated with aggressive cancers.

People with aggressive cancer that has spread to many areas of the body are not usually good candidates.

The company is now conducting another Phase 3 trial involving only patients with less aggressive cancer.

Yet another patient, a 48-year-old woman, had an aggressive cancer but was hesitant to have a mastectomy.

Scores range from 3 to 9; a higher score indicates more aggressive cancer.

He succumbed to an aggressive cancer that prevents the body from making healthy blood cells on October 13, 2011.

Born in 1920, she died from an aggressive cervical cancer at 31, leaving behind five children.

They range from 2, less aggressive, to 10, a very aggressive cancer.

He said Provenge improved survival for all patients, not just those with less aggressive cancers.