Volume 139, Issue 5, (November 2009) Cancer Biology Select    Cell  Volume 139, Issue 5, (November 2009) DOI: 10.1016/j.cell.2009.11.016 Copyright © 2009 Terms and Conditions

Micro-CT image of lungs from a “KP” mouse, with adenocarcinomas in green. Image courtesy of E. Meylan. Cell 2009 139, DOI: (10.1016/j.cell.2009.11.016) Copyright © 2009 Terms and Conditions

Image representing the PI3K and MAPK signaling pathways as major drivers of cancer. Illustration courtesy of A. Bruce. Cell 2009 139, DOI: (10.1016/j.cell.2009.11.016) Copyright © 2009 Terms and Conditions

Intravital staining of a mammary tumor (cancer cells blue, macrophages green, and extracellular matrix red and white). Image courtesy of E. Sahai. Cell 2009 139, DOI: (10.1016/j.cell.2009.11.016) Copyright © 2009 Terms and Conditions