In a simple definition, cancer is a disease of the cells, which is caused by gene mutations. For a proportion of patients, including women with hormone receptor positive breast cancer, gene expression profiling has a substantial impact on treatment decision-making by determining which patients might—or might not—respond to particular treatment options.
If you listen to GRAIL executives discuss the results of the long-awaited trial of the company’s multicancer detection test, you might be led to conclude that the company’s pivotal NHS-Galleri study had an overwhelmingly positive result.
