Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As previously noted , diffuse bilateral reticular lung markings are again seen , although less conspicuous compared to prior exam , and suggestive of chronic lung disease . No focal consolidations are seen . The heart size is normal . The mediastinal silhouette , hilar contours , and pleural surfaces are remarkable . The aorta is elongated . No pulmonary edema , pleural effusion , or pneumothorax .
    OUTPUT:
    
Diffuse bilateral reticular lung markings are suggestive of chronic lung disease . A CT chest can be performed on a non-emergent basis for further evaluation . No acute cardiopulmonary process .