51.   Given intravenously to mice, the drugs have shrunk tumors and made them disappear altogether.

52.   In about half of the breast cancer patients tested, Herceptin shrank tumors substantially.

53.   Research released Saturday showed that the drug, called Iressa, can shrink tumors in some patients who have failed all other therapy.

54.   Research released Sunday showed that the drug, called Iressa, can shrink tumors in some patients who have failed all other therapy.

55.   She said doctors hope medication will shrink the tumor.

56.   She brought him to the Veterinary Hospital at the University of Pennsylvania, where an oncology team used chemotherapy to shrink the tumor.

57.   They told patients the mixture would shrink tumors and effectively get rid of them, investigators said.

58.   Volunteers began signing up today for the first human trials of endostatin, an experimental drug that has been shown to shrink tumors in mice.