Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , pneumothorax , or pleural effusion . Compared to the prior exam , the cardiomediastinal silhouette appears increased in size ; however this may be due to lack of full inspiration and different technique on this exam compared to ___ . The hila are unremarkable . No displaced fracture is seen . The thoracic spine is appears similar to the prior exam . Probable eventration of the right hemidiaphragm is overall unchanged .
    OUTPUT:
    
No acute intrathoracic process .