Pulmonary nodular disease itself does not affect life expectancy; in layman’s terms, it means how long you can live without it and how long you can live after you have it. Pulmonary nodular disease, also known as sarcoidosis and Borrelia-like sarcoma, is a non-caseating sarcoidosis. The prognosis for most of these diseases is good, and some mild cases are treated and gradually resolve without medication. Some cause significant organ damage and can be treated with adrenocorticotropic hormones, others can be treated with immunosuppressive drugs, and those with indications for surgery can be supplemented with surgery, which is the common treatment for pulmonary nodular disease. Pulmonary nodular disease is an autoimmune disease that does not in itself affect life expectancy, so there is no need to worry about whether you will not live long with this disease. There are some people who think of pulmonary nodules in the lungs as a common term, i.e., pulmonary nodules on a chest X-ray or chest CT, as pulmonary nodular disease, but in fact this is not the same. In fact, there are many reasons for finding nodules in the lungs, some are benign and some are malignant, among which malignant nodules have an impact on life expectancy, while benign ones do not. To return to what was said earlier, the lung nodule disease is not a small nodule in the lung, it is a specialized disease that has to be seen in the respiratory department or rheumatology department of a hospital, and the treatment period is usually from one to one and a half years.