AP BIOLOGY

Detailed explanation-1: -Benign tumors are those that stay in their primary location without invading other sites of the body. They do not spread to local structures or to distant parts of the body. Benign tumors tend to grow slowly and have distinct borders. Benign tumors are not usually problematic.

Detailed explanation-2: -Tumors can be benign (noncancerous) or malignant (cancerous). Benign tumors tend to grow slowly and do not spread. Malignant tumors can grow rapidly, invade and destroy nearby normal tissues, and spread throughout the body.

Detailed explanation-3: -A note from Cleveland Clinic A benign tumor is an abnormal but noncancerous collection of cells also called a benign neoplasm. Benign tumors can form anywhere on or in your body, but many don’t need treatment.

Detailed explanation-4: -A condition in which abnormal cells that look like cancer cells under a microscope are found only in the place where they first formed and haven’t spread to nearby tissue. At some point, these cells may become cancerous and spread into nearby normal tissue.

Detailed explanation-5: -Not cancer. Benign tumors may grow larger but do not spread to other parts of the body. Also called nonmalignant.