Different Sciences

Option: D
Explanation :Oncology is the study of cancer. An oncologist is a doctor who treats cancer and provides medical care for a person diagnosed with cancer. The field of oncology has three major areas: medical, surgical, and radiation.
A medical oncologist treats cancer using chemotherapy or other medications, such as targeted therapy or immunotherapy.
A surgical oncologist removes the tumor and nearby tissue during surgery. He or she also performs certain types of biopsies to help diagnose cancer.
A radiation oncologist treats cancer using radiation therapy.
An oncologist manages a patient’s care throughout the course of the disease. This starts with the diagnosis. His or her role includes:

I. Explaining the cancer diagnosis and stage
II. Talking about all treatment options and his or her preferred choice
III. Delivering quality and compassionate care
IV. Helping a patient manage the symptoms and side effects of cancer and cancer treatment.

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