In which disease is there an uncontrolled division of cells resulting in formation of tumours? How is this disease detected?

Explanation

**Step-by-Step Solution:**

1. **Identify the Disease:**
- The disease characterized by uncontrolled division of cells resulting in the formation of tumors is **Cancer**. In cancer, cells divide uncontrollably, leading to the formation of lumps or tumors.

2. **Understand Tumor Types:**
- Tumors can be classified into two main types:
- **Benign Tumors:** These are non-cancerous and remain localized at the site of occurrence. They can often be removed surgically without significant risk.
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