Cancer Caught on Video 7. New blood vessels (body cavity) previous | next This melanoma tumor, also about a half a millimeter wide, is growing on the body cavity wall of a mouse. The black portion is the tumor and shows abnormal 'angiogenic' blood vessels, while the normal tissue (lighter color) has more normal blood flow. previous | next Watch the Program Here | Dr. Folkman Speaks | Cancer Caught on Video Designing Clinical Trials | Accidental Discoveries | How Cancer Grows Help/Resources | Transcript | Site Map | Cancer Warrior Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated February 2001