Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lung volumes are low limiting assessment . Effacement of the left inferior heart border likely reflects the presence of a fat pad . The lungs appear clear without focal consolidation , large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process .