Yes, there are at least two and likely more in the development pipeline. The two I'm familiar with are Signatera and CEA. There may be others.

The downside of these tests are that they aren't a black/white test where it's clearly a yes/no result. However, they can be used to estimate activity of a known cancer and effectiveness of treatment.

I don't know how effective they are for screening.

Hope that helps, without feeding fear.