41.   Two drugs used in combination shrank huge tumors to the vanishing point, without causing side effects or causing mice to develop resistance to the treatment.

42.   Until recently, chemical toxins were the last-resort defense against prostate cancer because chemotherapy had little effect shrinking tumors or extending life.

43.   With a new technique called laser ablation, doctors use a laser to zap and shrink the tumors in a matter of hours.

44.   A new vaccine that has been found to shrink tumors of incurable forms of cancer in mice will soon be tested on patients at the University of Alberta Hospital.

45.   A study has found the first direct evidence that the nutrient that makes tomatoes red may protect men against prostate cancer by shrinking tumors and slowing their spread.

46.   A vaccine-like treatment wiped out or shrank tumors in patients whose kidney cancer had spread elsewhere in their bodies, according to a new study.

47.   Against the will of her parents, doctors began chemotherapy to shrink the tumor.

48.   But doctors said it was too early to tell if the treatment was shrinking the tumor.

49.   But a medical bulletin issued Monday said it was too early to judge whether the treatment was shrinking the tumor and described her condition as critical.

50.   Gallo said other experiments found that hormone treatment could shrink established tumors in mice.