Pulmonology is one of the medical sciences that focuses on dealing with health problems in the respiratory system, such as the lungs, bronchi, bronchioles, and alveoli. Specialists who study pulmonology are known as pulmonologists (pulmonologists). To become a lung specialist, a doctor must undergo a residency of approximately 7 semesters. After completing the residency period, a lung doctor can work independently by opening a private practice or becoming part of a team of doctors at the hospital. Lung Doctor Work Field Basically, the main task of a lung doctor is to diagnose and determine the right type of treatment for various problems related to the respiratory system, especially the lower respiratory tract including the trachea, bronchus, and lungs. To simplify the process of handling patients, the field of pulmonology is divided into several divisions, namely: Division of pulmonology intervention and respiratory emergencies A pulmonology division that is specialized in