For the greatest chance of survival, cancer screening needs to detect the disease before symptoms appear. Current cancer detection involves blood tests, urine tests, DNA tests, and/or medical imaging, however, screening is not always accurate with false-positive results and subsequent invasive procedures, or false-negative results, where an existing cancer is missed. This means it is not always clear if the benefits of cancer screening outweigh … Continue reading DNA computer can detect cancer on a single-cell basis.