Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are without focal consolidation to suggest pneumonia . There is slight indistinctness of the mid portion of the right hemidiaphragm , unchanged from prior study and likely due to scarring from prior episode of pneumonia . There is no pleural effusion or pneumothorax . The heart is normal in size . Normal cardiomediastinal silhouette .
    OUTPUT:
    
No acute intrathoracic process .