Which term describes a non-cancerous tumor?

The term that describes a non-cancerous tumor is benign. Benign tumors are characterized by their non-invasive nature, meaning they do not spread to surrounding tissues or other parts of the body. They are typically well-defined, slow-growing, and can often be removed through surgery without significant risk of recurrence.

In contrast, malignant tumors are cancerous and have the potential to invade nearby tissues and spread to different parts of the body, which is a key characteristic that distinguishes them from benign tumors. Metastatic refers to cancer that has spread from the original site to other parts of the body, and fibrous may refer to a type of tissue or tumor but does not specifically denote a non-cancerous growth. Understanding the distinction between benign and malignant tumors is crucial for diagnosis and treatment in medical practice.