which is not cancer ?

Options

A. Leukemia
B. Trachoma
C. Carcinoma
D. Sarcoma

Answer

To determine which option is not cancer from the given choices, we can analyze each option step by step:

1. **Leukemia**:
- Definition: Leukemia is a type of cancer that affects blood cells. It involves the uncontrolled production of abnormal white blood cells in the bone marrow.
- Conclusion: This is a type of cancer.

2. **Trachoma**:
- Definition: Trachoma is an infectious disease caused by the bacterium Chlamydia trachomatis. It primarily affects the eyes and can lead to blindness if untreated.
- Conclusion: This is not a type of cancer.

3. **Carcinoma**:
- Definition: Carcinoma is a type of cancer that originates in epithelial cells, which are the cells that line the surfaces of organs and structures throughout the body.
- Conclusion: This is a type of cancer.

4. **Sarcoma**:
- Definition: Sarcoma is a type of cancer that arises from mesenchymal cells, which include connective tissues such as bone, cartilage, and fat.
- Conclusion: This is a type of cancer.

**Final Answer**: The option that is not cancer is **Trachoma**.