Çocuk Hematolojisi ve Onkolojisi Anabilim dalı 31 yatağı ve polikliniği ile 1974 yılından beri hizmet vermektedir. There are several sub-specialties within oncology. Moreover, oncologists often develop an interest and expertise in the management of particular types of cancer. Oncologists may be divided on the basis of the type of treatment provided. Radiation oncology: treatment primarily with radiation, a process called radiotherapy. Surgical oncology: surgeons who specialize in tumor removal. Medical oncology: treatment primarily with drugs, e.g. chemotherapy* Interventional oncology: interventional radiologists who specialize in minimally invasive image guided tumor therapies. Gynecologic oncology: focuses on cancers of the female reproductive system. Pediatric oncology: concerned with the diagnosis and treatment of cancer in children