Answer:
Some tumors are benign, which means they form in only one spot without spreading to surrounding tissue. Malignant tumors are cancerous and can spread to nearby tissue. As cancerous tumors grow, cancer cells can break off and travel throughout the body, forming new tumors.
Explanation:
Their becoming less frequent
Answer:
Explain
well just do it i belive in you dont try to act all diffrent or cool that makes people not like u just be yourself