Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate a normal cardiomediastinal silhouette , with the heart top - normal in size . Coronary artery stent is noted . There is no focal consolidation , pleural effusion , or pneumothorax . There is a small amount of left base atelectasis . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Left base atelectasis .