Which of the following statements best describes the characteristics of malignant tumors compared to benign tumors?

Benign tumors can spread to distant organs and invade surrounding tissues.

Malignant tumors are well-defined, slow-growing, and typically have localized effects.

Malignant tumors are characterized by rapid growth, abnormal cell structure, and the ability to invade surrounding tissues.

Benign tumors are more likely to cause severe systemic symptoms than malignant tumors.