Problem: Which of the following is true with respect to malignant and benign tumors? Group of answer choices A benign tumor can invade surrounding tissue, producing mutant cells, but it will not metastasize. A benign tumor is always harmless, whereas a malignant tumor can be fatal. A malignant tumor is usually encapsulated and can metastasize. A malignant tumor can invade surrounding tissue, produce mutant cells, and metastasize.