Unusual growth of cells that do not pose a threat to surrounding tissues are termed benign neoplasms.

Here's why:

* Neoplasm: This term simply means "new growth" and refers to any abnormal mass of tissue.

* Benign: This describes a tumor that is non-cancerous. It means the cells are growing abnormally but are not invading surrounding tissues or spreading to other parts of the body (metastasis).

Important Note: While benign tumors are generally not dangerous, they can still cause problems depending on their location and size. They may press on nearby organs or structures, causing discomfort or affecting function.