21.   These trials generally look at whether tumors are shrinking, something that can be determined much faster than whether patients are living longer.

22.   Tumors either shrank or the victims showed signs that tumor cells were dying.

23.   Tumors shrank by half or more in only four patients.

24.   While there, she said, the tumor shrank and disappeared.

25.   With the treatments, the chance existed that the brain-stem tumor might shrink.

26.   But so far, scientists have seen some tumors shrink.

27.   But tests in very sick women found that adding Herceptin to standard treatment doubled their chances that tumors would shrink.

28.   Doctors said the tumor had shrunk to one-tenth of its size in July, when they began chemotherapy.

29.   Doctors were pleasantly surprised in these studies to see evidence that the anti-VEGF drugs seem to make tumors shrink.

30.   EntreMed is the maker of a combination of drugs that was shown to shrink tumors in mice, but has not been tested on humans yet.