Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The visualized lung fields show coarsened lung markings which may reflect chronic lung disease . There is no evidence of acute cardiopulmonary disease including pleural effusions , focal consolidation or pneumothorax . The cardiac and mediastinal silhouette is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . Coarsened lung markings could represent chronic lung disease , which can be evaluated by non-emergent CT if continued concern .