<p>The colon is often thought of as one organ, but the right and left parts of the colon have different molecular features in cancers. New research in mice from investigators at the <a href="https://www.hopkinsmedicine.org/kimmel-cancer-center">Johns Hopkins Kimmel Cancer Center</a> demonstrates that these regions also have distinct transcriptional programs, or cellular processes, that regulate the development of normal and cancerous cells.</p>