Blood tests may help guide colorectal cancer treatment
February 28, 2024written by Sharon Reynolds By looking for bits of DNA that have leaked into the bloodstream from tumors, or circulating tumor DNA (ctDNA), doctors may be able to identify which colorectal cancer patients need chemotherapy after surgery. Credit: Adapted from Wikimedia Commons/Racheljunewong. CC BY-SA 4.0. Many people receive chemotherapy directly after surgery for […]