Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate slightly low lung volumes , which exaggerates cardiac size and bronchovascular crowding . Allowing for this , the cardiomediastinal silhouette is within normal limits . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .