Frosted glass nodules 3mm with indistinct margins and light density are lung nodules, which are microscopic and in most cases are benign and not harmful.
Tuberculosis, inflammation, tumors, etc. can cause symptoms of ground glass nodules. If the nodule is smaller than 5mm, it is mostly benign and can be observed clinically and reviewed regularly. If there is any growth phenomenon, it needs to be dealt with in time; if it is multiple ground-glass nodules, the number of nodules is larger, and symptoms such as chest pain, chest tightness, dyspnea, cough, etc. can appear, then you should go to the hospital for examination and clear diagnosis.
Patients with pulmonary ground glass nodules need to quit smoking, eat less pickled food, and eat more food containing vitamins and trace elements. Patients should go to the hospital in time for examination and treatment under the guidance of the doctor, do not delay, so as to avoid danger.