Answer:
In metastasis, cancer cells break away from where they first formed (primary cancer), travel through the blood or lymph system, and form new tumors (metastatic tumors) in other parts of the body. The metastatic tumor is the same type of cancer as the primary tumor.
Step-by-step explanation:
When cancer spreads, it's called metastasis. In metastasis, cancer cells break away from where they first formed, travel through the blood or lymph system, and form new tumors in other parts of the body. Cancer can spread to almost anywhere in the body.
First step is tumor cell attach- ment to basement membrane or extracellular matrix by tumor cell surface receptors [5]. Second step is local degradation of basement membrane or extracellular matrix by tumor-associated proteolytic enzymes [5, 33]. Third step Is tumor cell locomotion Into region modified by proteolysis.