11.   Doctors later found a malignant tumor blocking the bile duct on his liver, which caused an infection.

12.   Doctors say the new procedure should not be done to remove malignant tumors or pre-cancerous lesions.

13.   Eleutherobin stops malignant tumors from growing in much the same way taxol does, by binding to a protein called tubulin and disrupting cell division.

14.   Folkman has spent his career trying to prove that blocking angiogenesis could turn out to be an ideal therapy for attacking malignant tumors while leaving normal tissues intact.

15.   Goizueta, a heavy smoker, had a malignant tumor that was diagnosed in early September.

16.   Havel, a heavy smoker for decades, left the hospital late last month, several weeks after the operation to remove a malignant tumor from his lungs.

17.   He also had a cavity in his chest where a malignant tumor the size of a grapefruit had been dug out three months earlier.

18.   Her famous husband, one of the most popular and affable players on the New York Yankees, is undergoing surgery Saturday to remove a malignant tumor.

19.   His wife, Mary, said he died of kidney failure, two weeks after surgery to remove a malignant tumor on his liver.

20.   His caring and competent veterinarian, Dr. Wesley Bayles, cried with us when Charlie gave in to the malignant tumor.