Grinding glass nodule aah refers to grinding glass nodule atypical hyperplasia, which belongs to the precancerous lesion of lung cancer, and may progress to malignant nodule if further aggravation occurs, which is usually a result of ct examination. aah generally refers to atypical adenomatous hyperplasia, atypical adenomatous hyperplasia may manifest as a ground glass nodule, which may progress to lung adenocarcinoma, lung ground glass nodule atypical adenomatous hyperplasia may be asymptomatic, or may present with symptoms such as cough and sputum, chest tightness and chest pain, and dyspnea. Milled glass nodule aah can be surgically resected lung milled glass nodule atypical adenomatoid hyperplasia, and then sent to the pathology examination, in order to clarify the presence of carcinoma, such as the need for surgery in the postoperative period should be actively carry on the anti-infection treatment, the use of cefadroxil tablets under the guidance of the doctor, amoxicillin capsules and other drugs for treatment. Therefore, ct test results show that the grinding glass nodule aah patients, should be as soon as possible to the hospital to improve the relevant examination, diagnosis and actively cooperate with the doctor for treatment.