Hundreds of cancer survivors and doctors flocked to the Anne Arundel Medical Center on Thursday to see bicycling champ Lance Armstrong unveil a high-tech system for treating tumors that was recently installed at the hospital's cancer center. Armstrong, who recovered from brain, lung and testicular cancer to win the grueling Tour de France, introduced the oncological experts who described the Novalis technique. The 20,000-pound Novalis machine fires multiple beams of radiation that intersect over a tumor, killing it and leaving healthy tissue unharmed. The latest in cancer-fighting technology, the Novalis technology is only at a handful of hospitals around the country. Its installation at the Anne Arundel Medical Center marked the completion of a $13 million expansion of the cancer center.

Cycling champion Lance Armstrong, above, recovered from cancer after doctors gave him only a 50 percent chance for survival. At left, Armstrong accepts a gift of teddy bears for his children from Susie Reiter, 5, and her sisters Julie, 7, and Megan, 9. Susie is a juvenile cancer survivor who was treated at Anne Arundel Medical Center.Geaton DeCesaris, who donated $3 million to the cancer center, talks with County Executive Janet S. Owens after the ceremony. With them is DeCesaris's daughter Joanne, 26.Robert Siddon, left, designed the Novalis machine. With him are, from left, Anne Arundel Medical Center neurosurgeons Thomas Ducker, Brian Sullivan and Clifford Solomon.