why malignant tumor is more dangerous than benign tumor ? for two mark question

Dear student, Malignant tumor show the property of metastasis i.e. Sometimes cells move away from the original (primary) cancer site and spread to other organs and bones where they can continue to grow and form another tumour at that site. But benign tumor can not show the property of metastasis, That is why malignant tumor is more dangerous than benign tumor