Post Utme Delsu 2020 English Question 36

The following passage is from a medical journal. Read it carefully and answer the question. The patient, a 35-year-old male, presented with a severe headache and fever. The doctor ordered a CT scan, which revealed a large tumor in the brain. The patient was immediately taken to the operating room for a craniotomy. During the surgery, the doctor noticed that the tumor was surrounded by a network of blood vessels. The patient's condition was critical, and the doctor decided to use a new surgical technique to remove the tumor without damaging the surrounding blood vessels.