The department of chest diseases is the department that deals with the diagnosis and treatment of diseases in the lung and respiratory system. Department physicians, who deal with many ailments such as asthma, allergic diseases, bronchitis, chronic obstructive pulmonary disease, pneumonia, tuberculosis, pulmonary embolism, chronic cough, lung cancer, respiratory disorders during sleep, diseases caused by smoking addiction, work with a multidisciplinary approach. arranges treatment. When necessary for diagnosis and treatment, many different techniques such as advanced radiological imaging examinations, laboratory tests, forced vital capacity test performed in the respiratory function laboratory, diffusion test are used. Specialist physicians, who diagnose and treat diseases related to chest diseases, also help their patients about smoking addiction, smoking-related diseases and smoking cessation methods.