Which of the following is NOT a type of cancer surgery?

• A. Biopsy
• B. Craniotomy
• C. Endoscopy
• D. Radiosurgery

Answer: (A)

The main idea here is telling diagnostic tissue apart from therapeutic tumor removal. A biopsy is done to obtain tissue so pathologists can determine whether cancer is present, what type it is, and its characteristics. Its goal is diagnosis and guiding treatment, not to remove or destroy the tumor. That’s why it doesn’t count as a cancer surgery in the therapeutic sense. In contrast, a craniotomy involves opening the skull to access the brain for removing or debulking a tumor; endoscopy can be used to resect certain lesions through minimally invasive routes; radiosurgery, while not a traditional incision-based procedure, uses focused radiation to treat tumors without cutting. So biopsy stands out as diagnostic rather than a cancer surgery.