malignant

Claire underwent radiation and chemotherapy treatments to kill the malignant cells in his body, but the cancer returned again in 2017.

From Los Angeles Times ● Oct. 6, 2026

It refers to a malignant brain tumour, external, a type of cancer that starts in the brain or spreads into the brain from another area of the body.

From BBC ● Jul. 29, 2026

"This has implications for critical real-world scenarios, like when a radiologist can accurately classify masses on an X-ray as benign or malignant fairly automatically, often without extensive deliberation, thanks to years of training," Cox said.

From Science Daily ● Jul. 12, 2026

He takes no sensual pleasure in his destruction of Othello and Cassio, just the studied satisfaction of a sociopath watching with appreciation, as if from a distance, the malignant results of his handiwork.

From The Wall Street Journal ● Jul. 9, 2026

The first awareness that external or environmental agents could produce malignant change dawned in the mind of a London physician nearly two centuries ago.

From "Silent Spring" by Rachel Carson