What is a KRAS mutation in non-small cell lung cancer (NSCLC)?

Medical oncologist and lung cancer expert Dr. Joseph Leach shares an overview of KRAS mutations in lung cancer. Nearly one-third of people with non-small cell lung cancer have a KRAS mutation. He also talks about different types of KRAS mutations, including KRAS G12C which is the most common type and has specific treatments available to target it.