Treatment of cancer can be made by

Options

A. Radiation therapy
B. Surgery
C. Immunotherapy
D. All the above

Answer

### Step-by-Step Solution:

1. **Understanding Cancer Treatment Options**: The question asks about the various methods available for treating cancer. The options provided are radiation therapy, surgery, immunotherapy, or all of the above.

2. **Radiation Therapy**:
- This treatment uses beams of intense energy, such as X-rays, to kill cancer cells.
- It can also use protons and other types of energy.
- Radiation therapy is effective for many types of cancer.

3. **Surgery**:
- Surgery is a traditional method of treating cancer.
- It involves the physical removal of tumors and surrounding tissues during an operation.
- This method is still effective for many types of cancer and is one of the oldest forms of treatment.

4. **Immunotherapy**:
- Also known as biological therapy, immunotherapy works by activating or suppressing the immune system.
- It can help the immune system to stop or slow the growth of cancer cells or destroy them.
- Different immunotherapy treatments function in various ways to combat cancer.

5. **Conclusion**: Since all three methods—radiation therapy, surgery, and immunotherapy—are valid and effective treatments for cancer, the correct answer is "all the above".

### Final Answer:
The treatment of cancer can be made by **all the above** (radiation therapy, surgery, immunotherapy).

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