Where in the body the tumor recurred (came back).

Chemotherapy if the tumor recurred after treatment with radiation therapy.

One report described a very early stage patient whose tumor recurred 6 years after initial treatment.

The tumors did not recur, and the animals suffered no side effects, they said.

The tumor may recur at the same place in the brain or in other parts of the central nervous system.

The tumor may recur or spread, in spite of surgical removal.

The company predicted whether the tumor would recur and then checked that prediction against what actually happened to those women.

Whether the tumor has recurred (come back) after treatment.

However, in 2005 the tumor recurred and he died on May 27, 2006 at the age of 39.

He had treated the cancer in 1990, but the tumor recurred, prompting him to give up nomination to the Senate.