Only men with a dangerous genetic variant and a family history of cancer should be offered screening, say UK advisors.

For the first time, a blood test has been added to the list of the American Cancer Society’s recommended screenings for colorectal cancer.

A single blood draw called Galleri, made by GRAIL, is designed to look for cancer signals from more than 50 cancer types before symptoms appear.

Today we feature studies to be presented at the year's most important cancer conference, the upcoming American Society of Clinical Oncology meeting in Chicago, all with the potential to be practice-changing.