Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph are poorly penetrated . Lung volumes are low . Heart size is enlarged likely exaggerated by low lung volumes . No focal consolidation is identified convincing for pneumonia . There is no evidence of pulmonary edema , pleural effusion , or pneumothorax . No air under the right hemidiaphragm is present .
    OUTPUT:
    
Low lung volumes . No acute intrathoracic abnormality .