1. What is cancer? Explain what goes wrong. Be sure your answer includes a discussion of mitosis. 2. Define Malignant and Benign tumors. 3. What is remission? 4. Describe brain cancer. What area or system is affected? 5. What are the signs, symptoms or tests for brain cancer? 6. What are the treatment options for brain cancer? 7. Describe current research on brain cancer.