This is a very rare and aggressive form of thyroid cancer.

This aggressive form of treatment can cause fatigue that lasts up to one year.

His father was then diagnosed with an aggressive form of prostate cancer.

Heavy metal music, a loud, aggressive form of rock from the 1970s and 1980s.

Many people in this country think that blogging is a rather aggressive form of communication.

Ben is told that he has been diagnosed with an aggressive form of cancer in its fourth and final stage.

You might call it a creative and aggressive form of marketing.

The costs are rising, researchers say, as patients get ever more aggressive forms of treatment.

The men all appeared to have an especially aggressive form of prostate cancer.

So this is not a time to seek out the most aggressive forms of growth.