Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph demonstrate low lung volumes . Resultant atelectasis at the bases bilaterally is noted . No focal opacity convincing for pneumonia is present . Heart size is enlarged though likely infarct sequela of low lung volumes . There is no evidence of pulmonary edema . There is no large pleural effusion . There is no pneumothorax .
    OUTPUT:
    
Low lung volumes with results in atelectasis . Enlarged heart without evidence of pulmonary edema . No opacity convincing for pneumonia .