Spread of cancerous tumour to various body organs is called …………………………….. .

Explanation

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

1. **Understanding Tumors**: Tumors are masses of cells that form when normal cells begin to divide uncontrollably. This can occur due to various factors, including genetic mutations and environmental influences.

2. **Types of Tumors**: There are two main types of tumors:
- **Benign Tumors**: These tumors do not spread to other parts of the body. They remain localized and do not invade surrounding tissues.
- **Malignant Tumors**: These tumors are cancerous and have the ability to invade nearby tissues and spread to other parts of the body.

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