Correct Answer: Oncologist

Solution : The correct option is an Oncologist .

An oncologist is a specialist in treating cancer and providing medical care to cancer patients. There are several sub-specialities within oncology, including:

Medical Oncologists : They focus on the use of chemotherapy, immunotherapy, targeted therapy, and hormonal therapy to treat cancer.

Surgical Oncologists: These specialists perform surgical procedures to remove tumours and surrounding tissues. They may also perform biopsies for diagnosis.

Radiation Oncologists: They specialise in using radiation therapy to treat cancer. This involves using high doses of radiation to target and kill cancer cells.