You can take Cordyceps sinensis with nodules in the lungs under the supervision of a doctor, which is helpful in improving immunity and treating the enlargement of nodules. You can also take multivitamins and folic acid tablets as appropriate, which are good for treating nodules. There are many triggers for lung nodules, like tuberculosis, inflammation, tumor, etc. Even smoking can lead to multiple nodules in the lungs. By taking Cordyceps sinensis orally, it may improve the internal environment of the body, for the yin and yang of the kidneys to regulate, and improve the physique with good effect. Cordyceps can well adjust the symptoms related to lungs such as cough, sputum, dyspnea and so on, which is also beneficial in assisting antibiotics and other drugs to treat lung diseases.