Differentiate between bening tumour and malignant tumour.

Explanation

**Step-by-Step Text Solution:**

1. **Definition**:
- **Benign Tumor**: A benign tumor is a non-cancerous growth that does not invade surrounding tissues or spread to other parts of the body.
- **Malignant Tumor**: A malignant tumor is a cancerous growth that can invade nearby tissues and has the potential to spread (metastasize) to other parts of the body.

2. **Metastasis**:
- **Benign Tumor**: Benign tumors do not show metastasis. They remain localized and do not spread to other areas.
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