Jeremy was told that his cancer could not be treated with radiotherapy and must be treated with chemotherapy. This is probably because the cancer is
A) no longer localized.
B) too small to target with radiation.
C) in remission.
D) localized.
Question 2
Which of the following is TRUE with respect to tumors?
A) A benign tumor is always harmless, whereas a malignant tumor can be fatal.
B) A malignant tumor is usually encapsulated and can metastasize.
C) A benign tumor can invade surrounding tissue, producing mutant cells, but it will not metastasize.
D) A malignant tumor can invade surrounding tissue, produce mutant cells, and metastasize.