But researchers have found that raising the level of P53 can shrink tumors even in patients who were not deficient.

Shrink tumors that make it hard for you to swallow.

When used alone, it shrank tumors in 10.8 percent of patients.

But for the majority of patients they either shrank tumors or at least stopped them from growing.

But sorafenib shrank tumors by a significant amount in only 2 percent of patients.

So far, Iressa has only been shown to shrink tumors.

Tamoxifen is a leading drug used to shrink tumors and prevent new ones.

Another method for treatment is medications, which helps to shrink tumors.

But the drug did shrink tumors more often than the placebo.

Its goal is to kill cancer cells and shrink tumors.