There are several types of benign lesions, including: - Lipomas: Fatty tissue growths that are soft and movable. - Fibromas: Fibrous tissue tumors found in various organs. - Adenomas: Glandular tissue growths often found in organs like the thyroid or liver. - Hemangiomas: Blood vessel growths that are often present at birth. - Nevi: Commonly known as moles, which can be pigmented and vary in size.