He is cited as the first to recognize leukemia cells.

"It was below the level of detectability, but there can still be some leukemia cells present."

It is virtually never found except in leukemia cells, he said.

But these lymphocytes, called leukemia cells, cannot fight infection very well.

These lymphocytes, called leukemia cells, cannot fight infection very well.

Whether there are certain chromosomal changes in the leukemia cells.

The goal of consolidation is to kill any leukemia cells that may be present even though they don't show up in tests.

The goal of maintenance also is to prevent any remaining leukemia cells from growing.

The combination also helps keep the leukemia cells from becoming resistant to any one drug.

Its purpose is to kill the leukemia cells in the blood and bone marrow.