Correct Option: C  [ Branch of science that deals with Tumours and Cancers ]
Remark:
Explanation: Oncology is a branch of medical science that focuses on the study, diagnosis, treatment, and prevention of cancers and tumours. The term is derived from the Greek word “onkos” meaning mass or tumour. A specialist in this field is called an Oncologist.
Major Branches of Oncology:
- Medical Oncology: Treatment using chemotherapy, targeted therapy, and immunotherapy.
- Surgical Oncology: Removal of tumours through surgery.
- Radiation Oncology: Treatment of cancer using radiation therapy.
Common Cancers Studied in Oncology: Lung cancer, breast cancer, skin cancer, leukemia (blood cancer), and prostate cancer.