malignant tumor
malignant neoplasm
metastatic tumor

Malignant tumours are the second most common cause of death in children.

They have a very slow growth rate compared to most malignant tumors.

He died of a malignant brain tumor, a family spokesman said.

Six months later, in 2004, she was dead, her liver full of malignant tumors.

He had a malignant tumor removed from his right leg five years ago.

A small cancer in a high-risk person might be more likely to turn into a malignant tumor.

Jealousy is a little ball inside me, like a malignant tumor.

But her little girl, my niece, has had a malignant brain tumor.

Five years later, a malignant tumor in his prostate was removed.

In the rare case of a malignant tumor, chemotherapy may be used.