1.   Doctors tried to perform a hysterectomy but closed her up without removing a cancerous mass almost a foot wide.

2.   Last month, Strawberry had surgery for the removal of a stomach tumor, nearly two years after he had a cancerous mass removed from his colon.

3.   Some studies also show that MSCs do not turn into cancerous masses when transplanted, as sometimes happens with embryonic stem cells.

4.   She has several medical problems, including a potentially cancerous mass and an infected eye.