Prostate cancer is considered a malignant tumor because it is a mass of cells that can invade other parts of the body.

Several times the king of France invaded parts of Italy.

In cancer, cells divide and grow uncontrollably, forming malignant tumors, and invade nearby parts of the body.

In certain serious blood disorders it can invade other parts of the body, such as the lungs or central nervous system, with severe, if not fatal, consequences.

They can invade wounds, the bloodstream, bones, the lungs and other parts of the body.

North Vietnam invaded Laos and occupied parts of the country.

He'd assaulted then invaded parts of her she'd thought impregnable.

Soon after, Polish and Hungarian forces also invaded parts of Czechoslovakia.

For a time it will be as though the locusts had invaded parts of the heart of the garden of England.

In February 1979, China invaded Vietnam and briefly occupied parts of the north.