A pulmonary ground glass nodule is usually a condition that is revealed when a patient has a chest CT. Most patients tend to be asymptomatic, and its often represents the presence of varying degrees of infection, inflammation, or tumor in the patient’s body. A small number of patients may experience the following symptoms: 1. Chest pain and chest tightness. There will be intermittent pain in the chest, which is not strong, often with symptoms such as vague discomfort. 2. cough. Some patients will have a dry cough without much sputum in the early stage. Patients with severe disease will cough extraordinarily frequently and affect their lives. These are more related to the causes of nodule formation.