o go to the doctor, do not wait for illness or symptoms of the disease to appear. Knowing early signs and symptoms in cancer, knowing the risks and entering cancer screening programs are important steps in cancer prevention Cancer disease is not just a health problem, it is a question that has both material and spiritual aspects. Familial and genetic factors, lifestyle of the person, environmental factors arising from external factors are among the most important factors that are effective in the formation of cancer. Controlling environmental factors, such as malnutrition, immobility, tobacco and alcohol use, and exposure to the harmful effects of sunlight, which are effects on cancer formation, will reduce the incidence of cancer. Therefore, they can be protected against cancer with healthy lifestyle behaviors and life expectancy can be prolonged by early diagnosis by screening programs The earlier the diagnosis of cancer is placed, the higher the success rate in treatment. Early diagnosis in cancer is crucial for increasing quality of life and duration. In order to be protected from a disease, the causes of the disease must be known. In the measures to be taken against cancer, the main principle in the war to be done is; avoiding known risk factors for cancer formation and early diagnosis of the disease. To go to the doctor, do not wait for illness or symptoms of the disease to appear. Knowing early signs and symptoms in cancer, knowing the risks and entering cancer screening programs are important steps in cancer prevention. Unusual and unusual bleeding and swelling, unexplained weight loss, unexplained coughs, fever, fatigue and pain can be symptoms of cancer. Those with complaints of this kind should not hesitate to apply for a specialist and take necessary checks without losing time. The most important step in the diagnosis of cancer is doctor examination and necessary screening test
