What are the characteristics of a benign tumor?

A benign tumor is characterized by its non-invasive nature and typically slow growth rate. Unlike malignant tumors, benign tumors do not invade surrounding tissues or spread to other parts of the body, which is a significant trait that distinguishes them in terms of behavior and potential harm. This lack of invasiveness means that benign tumors usually remain localized and do not cause the same level of concern as malignant tumors, which can lead to serious health issues due to their aggressive growth patterns and ability to metastasize.

The growth rate of benign tumors is generally slower compared to malignant tumors, which can grow rapidly and aggressively. While benign tumors can still cause problems, usually due to their size or location, they are generally not life-threatening and can often be removed surgically without much complication.

The other characteristics mentioned in the options, such as being highly invasive, metastasizing, or being cancerous, are typical of malignant tumors and highlight the primary differences between benign and malignant growths in the context of cancer. Understanding these distinctions is crucial for recognizing the implications of tumor classification in medical practice and treatment approaches.