New Cancer Blood Test

A new cancer blood test is being tried.

It is for medicine.

Blood samples are taken from the body for testing.

Tumours are groups of cells that grow too much.

Early detection means finding a disease early.

Invasive procedures are medical treatments that cut the body.

Symptoms are signs of a disease.

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What was wrong with old tests?

A big clinical trial is starting in England.

Volunteers are giving blood samples to be tested for DNA linked to tumours.

Volunteers like Stuart are helping.

Stuart Devereux is a volunteer.

Stuart says it is a good chance to help. Many people are affected by cancer. Early detection can help fight cancer.

Finding and treating cancer early is key to recovery. Some cancers are hard to spot early. This blood test can help and avoid invasive procedures.

Dominic Hughes is a BBC reporter.

Scientists have been trying to make a simple blood test to detect cancer before symptoms appear. They had trouble making accurate tests. Now they think they have made a breakthrough.

Sir Harpal Kumar is the President of GRAIL Europe.

Technology has made a big difference. We can now detect small amounts of DNA in blood. Our ability to do this has improved in recent years.

Modern computing has also helped. We have looked at data from many people and used it to make the test better.

This is just the start of the clinical trial. If the test works, it could change cancer treatment.

What was wrong with old tests?

They were not accurate.

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