The investigators say acute appendicitis is likely an early warning sign for colon cancer, not a cause of it. The study covered was published as a preprint and has not yet been peer reviewed.
First study to show obesity-related cancer risk is 1.5-fold higher in people with metabolic aberrations as well as obesity, compared with metabolically healthy and normal weight individuals.
If colon cancer blood tests eventually win FDA approval and Medicare reimbursement, their use could become more widespread. But first this approach needs to match up against the current standard.