1.   Although doctors continue to tell him that he is terminal, Long has been clean of malignant tumors for nearly two years.

2.   A malignant tumor grew on his heart.

3.   A malignant tumor?

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

5.   But developing embryos seem to use it to shield themselves from immune attack, and Acevedo believes malignant tumors use it for the same purpose.

6.   But the malignant ovarian tumor was large, and he could not remove it.

7.   But the process is hijacked by malignant tumors, which recruit the tiny new vessels to nourish them so that the tumors can grow and spread.

8.   Doctors had discovered a malignant tumor on her kidney.

9.   During surgery to rid the mass, another pea-sized malignant tumor was discovered.

10.   Doctors discovered a malignant tumor.