A 72-year-old man is diagniosed with a 7 cm primary tumor in his colon, which has spread to the liver. Which of the following features indicates that the tumor is malignant? The location of the primary tumor or The spreading of the tumor. _I think it is the location of the tumor

Answer 1

http://coloncancer.about.com/od/glossaries/g/Malignant.htm

Answer 2

i think it would be the spreading of the tumor