This is a study on utilizing dandelion
root extract in improving colorectal cancer as well as other types of cancer.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5341965/
To summarize what it says: After 9 weeks of using a water/liquid based dandelion root extract, they were able to induce programmed cell death (PCD) selectively in > 95% of colon cancer cells by 48 hours of treatment.
If I were fighting cancer, this would be worth my time.