Oncology is a branch of medicine that deals with cancer. Oncology field includes the following parts-diagnosis of cancer in a patient, therapy of the cancer patient, follow up of the patient after the treatment of cancer. Medical history and physical examination is important for the diagnosis of patient with cancer. The diagnostic methods include endoscopy, X-ray, CT scan, biopsy, ultrasound, MRI scanning and blood tests. With these methods it can be made clear that the tumor can be possibly removed or not. Therapy is given to the patient depending upon the cancer identified. Certain disorders may require immediate action like chemotherapy while others will require regular physical examination and blood tests. In some cases it is possible to remove the tumor by surgery and saving the life of the person while in other cases tumor canât be removed by risking life of the patient. In the latter case the tumor might have spread to different parts that make it difficult to remove. So in this case the bulk of the tumor is removed by surgery so as to benefit the person life.
Oncologists are the person who deals with oncology or cancer. Oncology can be divided into three categories- medical oncology, surgical oncology and radiation oncology. Medical oncology deals with treating cancer with chemotherapy like targeted chemotherapy or oral chemotherapy. Surgical oncology deals with removal of cancer and surrounding tissue with surgery. Radiation oncology deals with treating cancer with radiation chemotherapy.
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Last date updated on July, 2021