Comprehension Passage
In recent times, cancer has become the most dreaded human disease around the world. We find millions of Indians suffering from it every year. In cancer cells, we find breakdown of regulatory mechanisms involved in normal cell growth and differentiation.
Metastasis is a property of
1
Benign tumors
2
Malignant tumors
3
Both benign and malignant tumors
4
Not a property of tumors